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89-32-7

Basic Information
CAS No.: 89-32-7
Name: 1,2,4,5-Benzenetetracarboxylic anhydride
Molecular Structure:
Molecular Structure of 89-32-7 (1,2,4,5-Benzenetetracarboxylic anhydride)
Formula: C10H2O6
Molecular Weight: 218.12
Synonyms: 1,2,4,5-Benzenetetracarboxylic1,2:4,5-dianhydride (8CI);Pyromellitic 1,2:4,5-dianhydride (6CI);1,2,4,5-Benzenetetracarboxylic acid 1,2:4,5-dianhydride;1,2,4,5-Benzenetetracarboxylic acid dianhydride;1,2:4,5-Benzenetetracarboxylicdianhydride;NSC 4798;PMDA;PMDA-M;Pyromellitic acid anhydride;Pyromelliticacid dianhydride;Pyromellitic anhydride;Pyromellitic dianhydride;
EINECS: 201-898-9
Density: 1.885 g/cm3
Melting Point: 283-286 °C(lit.)
Boiling Point: 398.6 °C at 760 mmHg
Flash Point: 183.5 °C
Solubility: decomposes in water
Appearance: White powder
Hazard Symbols: HarmfulXn
Risk Codes: 41-42/43
Safety: 22-24-26-37/39
Transport Information:
PSA: 94.56000
LogP: -0.50460
Synthetic route
89-05-4

1,2,4,5-benzenetetracarboxylic acid

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
With acetic anhydride for 3h; Reflux;97%
With 2,6-bis[(2,2,6,6-tetramethylpiperidin-1-yl)methyl]phenylboronic acid In propyl cyanide for 12h; Reflux;90%
2,6-bis[(2,2,6,6-tetramethylpiperidin-1-yl)methyl]phenylboronic acid In butryonitrile for 12h; Reflux;90%
95-93-2

1,2,4,5-tetramethylbenzene

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
at 450 - 565℃; Leiten im Gemisch mit Luft ueber Vanadium(V)-oxid;
With oxygen at 398℃; Gas phase;
39144-22-4

1,4-diethyl-2,5-dimethyl-benzene

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
at 450 - 565℃; Leiten im Gemisch mit Luft ueber Vanadium(V)-oxid;
517-60-2

benzenehexacarboxylic acid

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
durch trockne Destillation;
5999-20-2

4,5-dimethylphthalic anhydride

A

85-44-9

phthalic anhydride

B

19438-61-0

4-methylphthalic anhydride

C

4792-30-7

3-methylphthalic acid anhydride

D

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
With vanadia at 400℃; Product distribution; effect of temperature on gas-phase oxidation;
6051-66-7

2,5-dimethylterephthalic acid

A

108-31-6

maleic anhydride

B

89-32-7

Pyromellitic dianhydride

C

528-44-9

1,2,4-benzene tricarboxylic acid

D

552-30-7

trimellitic Anhydride

Conditions
ConditionsYield
With vanadia at 400℃; Product distribution; effect of temperature on gas-phase oxidation;
18190-63-1

2,4-dimethylisophthalic acid

A

89-32-7

Pyromellitic dianhydride

B

528-44-9

1,2,4-benzene tricarboxylic acid

C

552-30-7

trimellitic Anhydride

Conditions
ConditionsYield
With vanadia at 400℃; Product distribution; effect of temperature on gas-phase oxidation of methyl-substituted carboxylic acids and anhydrides;
benzenepentacarboxylic acid-dianhydride-(1.2;4.5)

benzenepentacarboxylic acid-dianhydride-(1.2;4.5)

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
at 270 - 300℃;
1585-40-6

benzenepentacarboxylic acid

A

124-38-9

carbon dioxide

B

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
at 270 - 300℃;
517-60-2

benzenehexacarboxylic acid

A

124-38-9

carbon dioxide

B

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
bei der trocknen Destillation;
95-93-2

1,2,4,5-tetramethylbenzene

A

89-05-4

1,2,4,5-benzenetetracarboxylic acid

B

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Stage #1: 1,2,4,5-tetramethylbenzene With oxygen; acetic acid; cobalt(II) acetate; manganese(II) acetate; 2,6-dihydroxypyrrolo[3,4-f]isoindolo-1,3,5,7(2H,6H)tetrone In water at 120℃; under 30003 Torr; for 2h;
Stage #2: With acetic anhydride In water at 120 - 150℃; under 3750.38 - 30003 Torr; for 4h; Product distribution / selectivity;
119-64-2

tetralin

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: aluminium chloride / 50 - 70 °C
2: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
3: 290 °C / 13 Torr
View Scheme
Multi-step reaction with 8 steps
1: phosphorus pentoxide / 190 °C
3: 130 - 140 °C
4: amalgamated zinc; hydrochloric acid
5: phosphorus pentachloride / nachfolgend Destillation im Vakuum
6: amalgamated zinc; concentrated hydrochloric acid
7: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
8: 290 °C / 13 Torr
View Scheme
85-01-8

phenanthrene

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: nickel catalyst; tetralin / 200 - 220 °C / Hydrogenation
2: aluminium chloride / 80 °C
3: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
4: 290 °C / 13 Torr
View Scheme
120-12-7

anthracene

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: nickel catalyst; tetralin / 180 - 200 °C / Hydrogenation
2: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
3: 290 °C / 13 Torr
View Scheme
5440-71-1

3,4,5,6,7,8-hexahydro-1(2H)-anthracenone

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: amalgamated zinc; concentrated hydrochloric acid
2: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
3: 290 °C / 13 Torr
View Scheme
1079-71-6

1,2,3,4,5,6,7,8-octahydroanthracene

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
2: 290 °C / 13 Torr
View Scheme
5325-97-3

1,2,3,4,5,6,7,8-Octahydrophenanthrene

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: aluminium chloride / 80 °C
2: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
3: 290 °C / 13 Torr
View Scheme
5803-67-8

2-chloro-1-(5,6,7,8-tetrahydro-naphthalen-2-yl)-ethanone

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 7 steps
2: 130 - 140 °C
3: amalgamated zinc; hydrochloric acid
4: phosphorus pentachloride / nachfolgend Destillation im Vakuum
5: amalgamated zinc; concentrated hydrochloric acid
6: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
7: 290 °C / 13 Torr
View Scheme
782-27-4

4-(5,6,7,8-tetrahydronaphthalen-2-yl)butanoic acid

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: phosphorus pentachloride / nachfolgend Destillation im Vakuum
2: amalgamated zinc; concentrated hydrochloric acid
3: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
4: 290 °C / 13 Torr
View Scheme
871893-92-4

[2-oxo-2-(5,6,7,8-tetrahydro-[2]naphthyl)-ethyl]-malonic acid

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 130 - 140 °C
2: amalgamated zinc; hydrochloric acid
3: phosphorus pentachloride / nachfolgend Destillation im Vakuum
4: amalgamated zinc; concentrated hydrochloric acid
5: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
6: 290 °C / 13 Torr
View Scheme
785-17-1

4-oxo-4-(5,6,7,8-tetrahydronaphthalen-2-yl)butanoic acid

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: amalgamated zinc; hydrochloric acid
2: phosphorus pentachloride / nachfolgend Destillation im Vakuum
3: amalgamated zinc; concentrated hydrochloric acid
4: bei aufeinanderfolgender Oxydation mit sodaalkalischer und mit schwefelsaurer Permanganat-Loesung
5: 290 °C / 13 Torr
View Scheme
89-05-4

1,2,4,5-benzenetetracarboxylic acid

34240-10-3

5-methyl-1,2,4-benzenetricarboxylic acid

528-44-9

1,2,4-benzene tricarboxylic acid

88-99-3

benzene-1,2-dicarboxylic acid

A

methyltrimellitic anhydride

B

89-32-7

Pyromellitic dianhydride

C

2479-49-4

3,3',4,4'-benzophenonetetracarboxylic acid

D

7487-10-7

pyromellitic acid monoanhydride

Conditions
ConditionsYield
Stage #1: 1,2,4,5-benzenetetracarboxylic acid; 5-methyl-1,2,4-benzenetricarboxylic acid; 1,2,4-benzene tricarboxylic acid; benzene-1,2-dicarboxylic acid at 235 - 250℃; for 7.5 - 30h;
Stage #2: With acetic anhydride In acetic acid at 120 - 170℃; under 750.075 - 4500.45 Torr; Product distribution / selectivity;
1036648-76-6

2,4,5-tris(ethoxycarbonyl)benzoic acid

A

1036648-79-9

diethyl 1,3-dioxo-1,3-dihydroisobenzofuran-5,6-dicarboxylate

B

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
Heating;A 31.8 g
B n/a
89-05-4

1,2,4,5-benzenetetracarboxylic acid

108-24-7

acetic anhydride

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
for 2h; Reflux;

C22H20CuN4O4(2+)*C10H2O8(4-)*2H(1+)

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
at 20 - 180℃; for 4h;
18779-88-9

1,1'-(1,2-ethanediyl)bis-(2,4,5-trimethylbenzene)

89-32-7

Pyromellitic dianhydride

Conditions
ConditionsYield
With air; V2O5-TiO2-P2O5 catalyst at 380℃; Temperature;
89-32-7

Pyromellitic dianhydride

74-89-5

methylamine

26011-79-0

N,-N'-Dimethylpyromellitic acid diimide

Conditions
ConditionsYield
at 160℃; under 600.048 Torr; Condensation; solid-gas reaction;100%
89-32-7

Pyromellitic dianhydride

74-89-5

methylamine

pyromellitic tetramethylamide

Conditions
ConditionsYield
under 750.06 Torr; Condensation; solid-gas reaction; ring cleavage;100%
439385-19-0

[(m-aminophenylamino)-4-aminophenylmethylidene]propanedinitrile

89-32-7

Pyromellitic dianhydride

polyimide; monomer(s): [(m-aminophenylamino)-4-aminophenylmethylidene]propanedinitrile; pyromellitic dianhydride

polyimide; monomer(s): [(m-aminophenylamino)-4-aminophenylmethylidene]propanedinitrile; pyromellitic dianhydride

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one; chlorobenzene at 20 - 190℃;100%
89-32-7

Pyromellitic dianhydride

C8H2O3

Conditions
ConditionsYield
With calcium fluoride at -266.46℃; Photolysis;100%

5-(4-aminophenyl)-10,15,20-tris(3,5-di-tert-butylphenyl) porphyrin

89-32-7

Pyromellitic dianhydride

79098-13-8

4-hexadecylaniline

557-34-6

zinc diacetate

303955-50-2

[Zn(C20H8N4((C4H9)2C6H3)3(C6H4)(C10H2N2O4)(C6H4)(C16H33))]

Conditions
ConditionsYield
In N,N-dimethyl-formamide (C20H10N4((C4H9)2C6H3)3(C6H4))NH2, C10H2O6, (C16H33)NH(C6H5) (dry DMF) heated under N2 in dark for 22 h, cooled to 25°C, evapd. to dryness (reduced pressure); chromy., dissolved (CHCl3), added Zn(OAc)2 in CH3OH, heated for 30 min; washed twice (H2O), dried (anhydrous Na2SO4), solvent evapd., chromy., reprecipitated from chloroform-methanol;100%
89-32-7

Pyromellitic dianhydride

122-51-0

orthoformic acid triethyl ester

6634-01-1

1,2,4,5-benzenetetracarboxylic acid ethyl ester

Conditions
ConditionsYield
Stage #1: Pyromellitic dianhydride; orthoformic acid triethyl ester
Stage #2: With water
100%
In ethanol for 4.5h; Heating;99.2%

4,4'-diaminodiphenyl ether-d8

89-32-7

Pyromellitic dianhydride

poly[deuterated 4,4'-diaminodiphenyl ether-co-pyromellitic dianhydride]

poly[deuterated 4,4'-diaminodiphenyl ether-co-pyromellitic dianhydride]

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 25℃; for 2h;100%
89-32-7

Pyromellitic dianhydride

106-50-3

1,4-phenylenediamine

C10H6O8*C6H8N2

Conditions
ConditionsYield
Stage #1: Pyromellitic dianhydride In water at 80℃; for 1h; Inert atmosphere;
Stage #2: 1,4-phenylenediamine In water at 80℃; for 4h; Inert atmosphere;
100%
89-32-7

Pyromellitic dianhydride

149-73-5

trimethyl orthoformate

635-10-9

tetramethyl 1,2,4,5-benzenetetracarboxylate

Conditions
ConditionsYield
In methanol for 7.5h; Heating;99.9%
89-32-7

Pyromellitic dianhydride

2550-73-4

pyrrolo[3,4-f]isoindole-1,3,5,7-tetraone

Conditions
ConditionsYield
With urea In N,N-dimethyl-formamide for 0.0666667h; microwave irradiation;99%
With choline chloride; urea at 140℃; for 1h; Green chemistry;97%
With formamide for 0.0333333h; microwave irradiation;96%
89-32-7

Pyromellitic dianhydride

999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

2,6-bis-trimethylsilanyl-pyrrolo[3,4-f]isoindole-1,3,5,7-tetraone

Conditions
ConditionsYield
at 130 - 140℃;99%
89-32-7

Pyromellitic dianhydride

65615-90-9

(S)-methyl 3-(4-aminophenyl)-2-((tert-butoxycarbonyl)amino)propanoate

C40H42N4O12

Conditions
ConditionsYield
Stage #1: Pyromellitic dianhydride; (S)-methyl 3-(4-aminophenyl)-2-((tert-butoxycarbonyl)amino)propanoate With N,N-dimethyl acetamide at 20℃; for 22h; Inert atmosphere;
Stage #2: With acetic anhydride; triethylamine at 80℃; for 2.5h; Inert atmosphere;
98.3%
89-32-7

Pyromellitic dianhydride

76660-17-8

pyromellitic diimide.formamide

Conditions
ConditionsYield
at 210℃; for 0.25h;98%
1583-76-2

2-(2,3,4,5,6-pentafluorophenyl)ethan-1-amine

89-32-7

Pyromellitic dianhydride

1206633-77-3

N,N'-di(2-(perfluorophenyl)ethyl)pyromellitic diimide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 110℃;98%
61-90-5

L-leucine

89-32-7

Pyromellitic dianhydride

144443-35-6

N,N-(pyromellitoyl)-bis-L-leucine

Conditions
ConditionsYield
With pyridine; acetic acid Reflux;98%
With acetic acid Reflux;
With acetic acid at 20℃; for 13h; Reflux;
63-91-2

L-phenylalanine

89-32-7

Pyromellitic dianhydride

144443-37-8

N,N’-(pyromellitoyl)-bis-L-phenylalanine diacid

Conditions
ConditionsYield
With pyridine; acetic acid Reflux;98%
With dmap In N,N-dimethyl-formamide at 140℃; for 0.166667h; Reagent/catalyst; Solvent; Sealed tube; Microwave irradiation;87%
In acetic acid at 20℃; Reflux;86%
89-32-7

Pyromellitic dianhydride

1356860-81-5

C18H31N3O

1356860-83-7

(C5H4NCH2NHCO(CH2)11)2C10H2N2O4

Conditions
ConditionsYield
Heating;98%
13325-10-5

4-Aminobutanol

89-32-7

Pyromellitic dianhydride

64-19-7

acetic acid

C22H24N2O8

Conditions
ConditionsYield
for 19h; Reflux;98%
89-32-7

Pyromellitic dianhydride

89-05-4

1,2,4,5-benzenetetracarboxylic acid

Conditions
ConditionsYield
With water for 4h; Reflux;96.6%
With water
With alkali
With water at 80℃; Inert atmosphere;
64-17-5

ethanol

89-32-7

Pyromellitic dianhydride

6634-01-1

1,2,4,5-benzenetetracarboxylic acid ethyl ester

Conditions
ConditionsYield
With sulfuric acid Reflux; Molecular sieve;96%
With sulfuric acid at 100℃; for 4h;68%
Stage #1: ethanol; Pyromellitic dianhydride for 2h; Reflux;
Stage #2: With sulfuric acid for 18h; Reflux;
64%
With sulfuric acid In benzene
With sulfuric acid
89-32-7

Pyromellitic dianhydride

39895-56-2

4-hydroxymethyl-benzylamine

944247-89-6

C26H20O6N2

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20 - 140℃; for 4.5h;96%
In N,N-dimethyl-formamide at 20 - 140℃;96%
1003601-35-1

4,4'-bis[4-(4-amino-3-methylphenoxy)benzenesulfonyl]biphenyl

89-32-7

Pyromellitic dianhydride

160038-77-7

4,4'-bis[4-(3-aminophenoxy)benzenesulfonyl]biphenyl

polyimide, Mn = 54000, Mw = 87000; monomer(s): 4,4'-bis[4-(4-amino-3-methylphenoxy)benzenesulfonyl]biphenyl; pyromellitic dianhydride

polyimide, Mn = 54000, Mw = 87000; monomer(s): 4,4'-bis[4-(4-amino-3-methylphenoxy)benzenesulfonyl]biphenyl; pyromellitic dianhydride

Conditions
ConditionsYield
Stage #1: 4,4'-bis[4-(4-amino-3-methylphenoxy)benzenesulfonyl]biphenyl; Pyromellitic dianhydride; 4,4'-bis[4-(3-aminophenoxy)benzenesulfonyl]biphenyl In N,N-dimethyl acetamide at 20℃; for 20h;
Stage #2: at 120 - 250℃; for 1.16667h; Further stages.;
96%

4,4'-diaminodiphenylmethane-d10

89-32-7

Pyromellitic dianhydride

poly[deuterated 4,4'-diaminodiphenylmethane-co-pyromellitic dianhydride]

poly[deuterated 4,4'-diaminodiphenylmethane-co-pyromellitic dianhydride]

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 25℃; for 2h;96%
In 1-methyl-pyrrolidin-2-one at 25℃; for 2h;95%
89-32-7

Pyromellitic dianhydride

500148-54-9

2-hydrazino-3-(p-chlorophenyl)-1,8-naphthyridine

1550370-33-6

C38H20Cl2N8O4

Conditions
ConditionsYield
With N,N-dimethyl-formamide for 0.05h; Microwave irradiation;96%
89-32-7

Pyromellitic dianhydride

3646-50-2

3-Amino-3-phenylpropionic acid

1133768-70-3

2,6-bis(3-hydroxy-3-oxo-1-phenylprop-1-yl)pyrrolo[3,4-f]isoindole-1,3,5,7(2H,6H)-tetraone

Conditions
ConditionsYield
In nitrobenzene at 155 - 165℃; for 1h;95%
18612-28-7

3-hydrazinyl-oxo-N-(1,3-thiazole-2-yl)-propanamide

89-32-7

Pyromellitic dianhydride

1145681-95-3

N-{1,3,5,7-tetraoxo-6-[2-(thiazol-2-ylcarbamoyl)acetylamino]-3,5,6,7-tetrahydro-1H-pyrrolo[3,4-f]isoindol-2-yl}-N'-thiazol-2-yl-malonamide

Conditions
ConditionsYield
With acetic acid for 6h; Reflux;95%
89-32-7

Pyromellitic dianhydride

1583-88-6

4-fluoro-2-phenethylamine

346634-46-6

N,N'-di(2-(4-fluorophenyl)ethyl)pyromellitic diimide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 110℃;95%
89-32-7

Pyromellitic dianhydride

123-30-8

4-amino-phenol

14027-98-6

N,N'-(pyromellitoyl)-bis-p-aminophenol

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 12h; Reflux;95%
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  • 89-32-7 Pyromellitic Dianhydride manufacturer in China

  • Casno:

    89-32-7

    89-32-7 Pyromellitic Dianhydride manufacturer in China

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    89-32-7 Pyromellitic Dianhydride manufacturer in China Description of 89-32-7 Pyromellitic Dianhydride Product name: Pyromellitic dianhydride CAS NO.: 89-32-7 MF: C7H6O3 Structural formula: Specification of 89-32-7 Pyromel

    JIANGSU Hualun Chemical lndustry Co., Ltd is located in the east suburb of Yangzhou , a beautiful, ancient city. The company was established in August, 1992. The company mainl

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  • Pyromellitic Dianhydride (PMDA)

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    89-32-7

    Pyromellitic Dianhydride (PMDA)

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    Quick Details ProName: 1,2,4,5-Benzenetetracarboxylic anhydri... CasNo: 89-32-7 Molecular Formula: C10H2O6 Appearance: white crystalline powder Application: manufacturing polyimide film,High-perf... DeliveryTi

    Antimex Chemical Limied, was founded in 2001, we are specializing in manufacturing & researching of Active pharmaceutical Ingredients,Veterinary pharm APIs,cosmetic ingredients,and

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  • Pyromellitic Dianhydride CAS 1143-72-2  PMDA  IN Stock 1,2,4,5-Benzenetetracarboxylic anhydride CAS 1143-72-2

  • Casno:

    89-32-7

    Pyromellitic Dianhydride CAS 1143-72-2 PMDA IN Stock 1,2,4,5-Benzenetetracarboxylic anhydride CAS 1143-72-2

    Min.Order: 5 Kiloliter

    FOB Price:  USD $ 3.5-5.0/Kiloliter

    Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Product quality, process, price and service Pyromellitic Dianhydride CAS 1143-72-2 PMDA IN Stock 1,2,4,5-Benzenetetracarboxylic anhydride CAS 1143-72-2 1143-72-2 CAS 1143-7

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     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:021-51086038

    Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China

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  • 1,2,4,5-Benzenetetracarboxylic anhydride

  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

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    Business Type:Lab/Research institutions

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  • High quality Pyromellitic Dianhydride  supplier in China

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    89-32-7

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    Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

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     China (Mainland)  |  Contact Details

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  • PMDA  pyromelliticacidanhydride

  • Casno:

    89-32-7

    MSDS/COA Download

    PMDA pyromelliticacidanhydride

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    FOB Price:  USD $ 0.0-0.0/Metric Ton

    CAS No.: 89-32-7 Other Names: PMDA MF: C10H2O6 EINECS No.: 201-898-9 Place of Origin: China (Mainland)

    TNJ is a chemical company since 2001. Our specialization, your confidence-we keep committing to meet the needs of markets and customers with our innovative technology and high stab

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  • 89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride

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    89-32-7

    89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 1 Kilogram

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    89-32-7

    Pyromellitic dianhydride

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    89-32-7

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    Business Type:Lab/Research institutions

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  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    1. Product Name:1,2,4,5-Benzenetetracarboxylic anhydride 2. CAS#89-32-7 3. Manufacturer , ISO9001 4. Purity: 99%min.

    Orchid Chemical was established in 2009; we are headquartered in Hangzhou, which is 200 km from China's biggest sea port, Shanghai. Orchid chemical is a joint-venture company, com

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  • Pyromellitic dianhydride   CAS: 89-32-7

  • Casno:

    89-32-7

    Pyromellitic dianhydride CAS: 89-32-7

    Min.Order: 5 Metric Ton

    FOB Price:  USD $ 1.0-2.0/Metric Ton

    Product Name Pyromellitic Dianhydride Synonyms 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride;1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride;1,2,4,5-B

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  • TIANFU-CHEM CAS:89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride

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    89-32-7

    TIANFU-CHEM CAS:89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 1 Gram

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    1,2,4,5-Benzenetetracarboxylic anhydride Basic information Product Name: 1,2,4,5-Benzenetetracarboxylic anhydride Synonyms: 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride;1,2,4,5benz

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    Business Type:Lab/Research institutions

    Tel:86-371-55170693/55170694

    Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China

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    89-32-7

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     China (Mainland)  |  Contact Details

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    89-32-7

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    89-32-7

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    1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone

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    Business Type:Trading Company

    Tel:+86-27-52345788

    Address:28F,China Construction Third Bureau,Wuhan,Hubei Province, China

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  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 1 Gram

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    Product Description Product website: http://www.finerchem.com/pro01en/id/1749.html Product Name 1,2,4,5-Benzenetetracarboxylic anhydride CAS No.

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    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-531-88989536

    Address:New Material Industry Park, Jinan Ciyt, China

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  • Pyromellitic dianhydride CAS NO.89-32-7

  • Casno:

    89-32-7

    Pyromellitic dianhydride CAS NO.89-32-7

    Min.Order: 10 Gram

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    Business Type:Trading Company

    Tel:86-431-81915458

    Address:Room 302, 47 Changping Street, Chaoyang District, Changchun, Jilin Province,China

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  • Casno:

    89-32-7

    MSDS/COA Download

    China Supplier High Quality 99% Purity CAS #89-32-7 Powder

    Min.Order: 1 Kilogram

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    Name: PMDA Molecular Formula: C10H2O6 CAS Number: 89-32-7 Package: According to the customer's request Export Port: Wuhan, Shanghai, Shenzhen, Guangzhou, etc, Purity: 99% min Storage condition: Refrigerator store (within the temper

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    Business Type:Trading Company

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  • Casno:

    89-32-7

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    Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%3) We are manufacturer

    Shaanxi Mingqi Chemical Co., Ltd is committed to the development of import and export trade in the production, operation and plant extracts of pharmaceutical raw materials and inte

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18092428356

    Address:Weiyang District

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  • Pyromellitic Dianhydride

  • Casno:

    89-32-7

    Pyromellitic Dianhydride

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 200.0-200.0/Kilogram

    Chemical Properties White powder Uses Pyromellitic dianhydride (PMDA) is employed as a curing agent for epoxy agent resins used for casting, laminating, the manufacture of moulding powders, adhesives and co

    Who we are ? Located in Zhengzhou City, China , Henan Daken Chemical Co.,Ltd was Established in June ,1983.We have a 35 years history for fine chemical synthesis .Daken has young

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-371-55541817

    Address:No.56 Hongzhuan Road,Jinshui,Zhengzhou,450000,China

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  • Casno:

    89-32-7

    MSDS/COA Download

    Pyromellitic Dianhydride

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-2.0/Kilogram

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    Business Type:Trading Company

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  • Best price/Pyromellitic dianhydride

  • Casno:

    89-32-7

    Best price/Pyromellitic dianhydride

    Min.Order: 10 Gram

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    Business Type:Trading Company

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  • Casno:

    89-32-7

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    Min.Order: 1 Kilogram

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-371-86658258

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  • Casno:

    89-32-7

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    Pyromellitic Dianhydride PMDA

    Min.Order: 1 Kilogram

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    Business Type:Trading Company

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    Address:QiaoXiQu

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  • Casno:

    89-32-7

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    Min.Order: 0

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    1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume

    Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-371-65511936

    Address:NO.56,Hongzhuan Road

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  • Benzene-1,2,4,5-tetracarboxylic Dianhydride Polyimide monomer CAS NO.89-32-7

  • Casno:

    89-32-7

    Benzene-1,2,4,5-tetracarboxylic Dianhydride Polyimide monomer CAS NO.89-32-7

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-9999.0/Kilogram

    Pesan is specialized in pharmaceutical intermediates, such as Lithium battery additive、 Vinyl ether monomer、Polyimide monomer 、Thermal Pressure Sensitive Material etc., Pesan also supply various industrial chemicals for customers, such as OPC inter

    Changzhou Pesan Chemical Co., Ltd. is a dynamic and specialized chemical company. Since our establishment, We provide raw materials and key intermediates for pharmaceutical industr

  •  Changzhou Pesan Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86 021 61559630

    Address:No.7-9,Guanghua St.,Zhonglou District,Changzhou,China

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  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    ProductName:1,2,4,5-Benzenetetracarboxylicanhydride Synonyms:1,2,4,5-Benzenetetracarboxylic1,2:4,5-dianhydride;1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetAppearance:white powder Storage:store at RT Package:25kg drums Appli

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-15005320811 +86-532-80681989

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  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 100 Metric Ton

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    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-536-7971999

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    89-32-7

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    Min.Order: 0

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

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  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 0

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-87396432

    Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

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  • Casno:

    89-32-7

    1,2,4,5-BENZENETETRACARBOXYLIC ANHYDRIDE

    Min.Order: 0

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    AFINE CHEMICALS LIMITED is specialized in the fine chemicals and pharmaceuticals and we have enjoyed great popularity in world markets. Since 2005, we have been rapidly growing to

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85134551

    Address:No. 206 Zhen Hua Road, Hangzhou 310030, Zhejiang, China

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  • Casno:

    89-32-7

    High Quality 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0/Gram

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  •  Qingdao Sigma Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

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  • 1,2,4,5-Benzenetetracarboxylic anhydride

  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 100.0-100.0/Kilogram

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  • Casno:

    89-32-7

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    Min.Order: 1 Gram

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  • 1,2,4,5-Benzenetetracarboxylic anhydride

  • Casno:

    89-32-7

    1,2,4,5-Benzenetetracarboxylic anhydride

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

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  • Pyromellitic dianhydride

  • Casno:

    89-32-7

    Pyromellitic dianhydride

    Min.Order: 10 Gram

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Chemistry

IUPAC Name: Furo[3,4-f][2]benzofuran-1,3,5,7-tetrone
Molecular Formula: C10H2O6
Molecular Weight: 218.119280 g/mol
Appearance: White powder
Melting Point: 283-286 °C(lit.)
Boiling Point: 397-400 °C(lit.)
Flash Point: 380 °C
Density: 1,68 g/cm3   
Water Solubility: Decomposes
Sensitive: Moisture Sensitive
Structure of 1,2,4,5-Benzenetetracarboxylic anhydride (CAS NO.89-32-7):
                          
Product Category of 1,2,4,5-Benzenetetracarboxylic anhydride (CAS NO.89-32-7): Intermediates of Dyes and Pigments;Benzene derivates;Functional Materials;Reagent for High-Performance Polymer Research

Uses

 1,2,4,5-Benzenetetracarboxylic anhydride (CASNO.89-32-7) is used for making polyimide resin, high temperature electrical insulating paint, PVC plasticizers, cross-linking agent of synthetic resin and curing agent of epoxy resin.

Toxicity Data With Reference

1.    

orl-rat LD50:2250 mg/kg

    GISAAA    Gigiena i Sanitariya. 51 (11)(1986),79.
2.    

ihl-rat LCLo:150 mg/m3/4H

    85GMAT    Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,105.
3.    

orl-mus LD50:2400 mg/kg

    TPKVAL    Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Sciences. 14 (1975),125.
4.    

orl-gpg LD50:1595 mg/kg

    GISAAA    Gigiena i Sanitariya. 51 (11)(1986),79.

 1,2,4,5-Benzenetetracarboxylic anhydride (CAS NO.89-32-7) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. You can see actual entry in RTECS for complete information.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by inhalation. Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes: Xn 
Risk Statements: 41-42/43
41:Risk of serious damage to eyes
42/43:May cause sensitization by inhalation and skin contact   
Safety Statements: 22-24-26-37/39
22:Do not breathe dust   
24:Avoid contact with skin  
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
37/39:Wear suitable gloves and eye/face protection 

Specification

 1,2,4,5-Benzenetetracarboxylic anhydride , its cas register number is 89-32-7. It also can be called Pyromellitic dianhydride ; Benzene-1,2,4,5-tetracarboxylic dianhydride ; PMDA ; and Pyromellitic acid dianhydride . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, 1,2,4,5-Benzenetetracarboxylic anhydride (CAS NO.89-32-7) could be stable under normal temperatures and pressures. It is not exposured to moist air or water, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide.