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99-96-7

Basic Information
CAS No.: 99-96-7
Name: 4-Hydroxybenzoic acid
Molecular Structure:
Molecular Structure of 99-96-7 (4-Hydroxybenzoic acid)
Formula: C7H6O3
Molecular Weight: 138.12 .
Synonyms: p-Oxybenzoesaure [German];Benzoic acid, p-hydroxy-;Benzoic acid, p-hydroxy;4-Carboxyphenol;Benzoic acid, 4-hydroxy-, monosodium salt;4-Hydroxybenzoate;Hydroxybenzenecarboxylic acid;4-Hydroxybenzoesaeure;Benzoic acid, 4-hydroxy-;Benzoic acid, 4-hydroxy;Acido p-idrossibenzoico [Italian];Potassium 4-hydroxybenzoate;Sodium 4-hydroxybenzoate;Hydroxybenzoic acid;p-salicylic acid;Kyselina 4-hydroxybenzoova [Czech];P-Hydroxybenzoic acid (PHBA);4-Hydroxy Benzoic Acid;p-hydroxybenzoic Acid;4-hydroxybenzoic acid;4-hydroxybenzenecarboxylic acid;Para Hydroxy Benzoic Acid[99-96-7];p-Hydroxy Benzoic Acid;
EINECS: 202-804-9
Density: 1.46 g/cm3
Melting Point: 213-217 °C(lit.)
Boiling Point: 336.2 °C at 760 mmHg
Flash Point: 171.3 °C
Solubility: Water solubility: 5 g/L (20 °C)
Appearance: white to beige crystalline powder
Hazard Symbols: IrritantXi
Risk Codes: 36-36/37/38
Safety: 26-37/39-36
Transport Information:
PSA: 57.53000
LogP: 1.09040
Synthetic route
1486-51-7

p-(benzyloxy)benzoic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With 10% Pd/C; cyclohexa-1,4-diene In ethyl acetate at 100℃; for 0.5h; Microwave irradiation;99%
With palladium diacetate; sodium hydride In N,N-dimethyl acetamide at 25℃; for 3h; Inert atmosphere;99%
With palladium diacetate; sodium hydride In N,N-dimethyl acetamide at 50℃; for 5h; Inert atmosphere;99%
With Pd(0)EnCat; ammonium formate In N,N-dimethyl-formamide at 80℃; for 0.166667h; Irradiation; microwave;93%
With triethylammonium formate; palladium on activated charcoal for 1h; Ambient temperature;85%
150-13-0

4-amino-benzoic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 4-amino-benzoic acid With sulfuric acid at 20℃; Cooling with ice;
Stage #2: With sodium nitrite In water Reflux;
96%
Stage #1: 4-amino-benzoic acid With sodium nitrite In water at 20℃; Milling; Green chemistry;
Stage #2: With water at 80℃; for 0.5h; Neutral conditions; Green chemistry;
71%
With mixture of gaseous nitrogen oxides; water
With sulfuric acid; sodium nitrite Erhitzen des Reaktionsgemisches;
Multi-step reaction with 2 steps
1.1: sodium nitrite; hydrogenchloride / water / 0.75 h / 4 °C / Cooling with ice
1.2: 0.5 h / 4 °C / Cooling with ice
2.1: L-tyrosine / aq. phosphate buffer / pH 7
View Scheme
623-05-2

(4-hydroxyphenyl)methanol

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With oxygen In acetonitrile at 20℃; for 7.5h; Catalytic behavior;97%
With diethylene glycol dimethyl ether at 70℃; for 0.5h; Sonication;94%
With tert.-butylhydroperoxide; ammonium cerium (IV) nitrate In water; acetonitrile at 20℃; for 24h; chemoselective reaction;90%
121-98-2

methyl 4-methoxybenzoate

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With AlBrCl3(1-)*C5H5N*H(1+) at 140℃; for 3h;93%
With iodine; aluminium In acetonitrile at 80℃; for 18h;91%
With 1-butylpyridinium bromide at 100℃; Microwave irradiation; Neat (no solvent);90%
115595-27-2

4-(n-but-3'-enyloxy)benzoic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With [2,2]bipyridinyl; (1,2-dimethoxyethane)dichloronickel(II); water; bis(pinacol)diborane; lithium tert-butoxide In methanol; N,N-dimethyl acetamide at 30℃; for 24h; Schlenk technique;71%
With 6,6'-dimethyl-2,2'-bipyridine; (1,2-dimethoxyethane)dichloronickel(II); bis(pinacol)diborane; lithium tert-butoxide In methanol; N,N-dimethyl acetamide; water at 30℃; for 24h; Inert atmosphere; Glovebox; Sealed tube;71%
586-76-5

4-Bromobenzoic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With copper(I) oxide; tetra(n-butyl)ammonium hydroxide; 1,10-phenanthroline-4,7-diol In water at 110℃; for 24h; Inert atmosphere; Schlenk technique; Sealed tube; Green chemistry;99%
Stage #1: 4-Bromobenzoic acid With copper(l) iodide; cesium hydroxide; 5-bromo-2-(1H-imidazol-2-yl)pyridine In water; dimethyl sulfoxide at 100℃; for 36h; Inert atmosphere;
Stage #2: With hydrogenchloride In water; dimethyl sulfoxide pH=1 - 2; Inert atmosphere;
91%
With copper(I) oxide; 2-pyridinealdoxime; cesium hydroxide; tetrabutylammomium bromide In water at 110℃; for 48h; Inert atmosphere;87%
69-72-7

salicylic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With potassium hydroxide In water at 240℃; for 3h;61%
Multi-step reaction with 2 steps
1: SnCl4
2: sulfuric acid / 150 °C
View Scheme
Multi-step reaction with 2 steps
1: SnCl4
2: NaOH / durch Schmelzen
View Scheme
14047-29-1

4-carboxyphenylboronic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With water; oxygen; sodium sulfite at 50℃; for 1h; Green chemistry;100%
With N-ethyl-N,N-diisopropylamine In water; acetonitrile at 20℃; for 48h; Catalytic behavior; Reagent/catalyst; Irradiation; Green chemistry;99%
With N-ethyl-N,N-diisopropylamine In water; acetonitrile for 28h; Irradiation;99%
14047-29-1

4-carboxyphenylboronic acid

7722-84-1

dihydrogen peroxide

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With ammonium bicarbonate In water at 20℃; for 2h; Schlenk technique;97%
619-58-9

4-iodobenzoic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 4-iodobenzoic acid With copper(l) iodide; tetra(n-butyl)ammonium hydroxide In water at 60℃; for 24h; Inert atmosphere; Sealed tube;
Stage #2: With hydrogenchloride In water; ethyl acetate at 20℃; for 2h; Inert atmosphere; chemoselective reaction;
99%
With glycolic Acid; copper hydroxide; sodium hydroxide In water; dimethyl sulfoxide at 120℃; for 6h; Inert atmosphere; Schlenk technique;95%
With copper(I) oxide; 1D-1-O-Methyl-muco-inostol; sodium hydroxide In water at 100℃; for 6h; Reagent/catalyst;94%
623-00-7

4-bromobenzenecarbonitrile

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 4-bromobenzenecarbonitrile With copper(l) iodide; 5-bromo-2-(1H-imidazol-2-yl)pyridine; water; potassium hydroxide In water; dimethyl sulfoxide; tert-butyl alcohol at 100℃; for 36h; Inert atmosphere;
Stage #2: With hydrogenchloride In water; dimethyl sulfoxide; tert-butyl alcohol pH=1 - 2; Inert atmosphere;
87%
896109-71-0

1-(4-hydroxy-phenyl)-2-(toluene-4-sulfonyl)-ethanone

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With ammonium cerium (IV) nitrate; oxygen In acetonitrile at 20 - 50℃; for 4h;90%
1000389-71-8

1-amino-4-(tris(pyrazol-1-yl)methyl)benzene

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite In water at 100℃; for 0.75h; Concentration; Cooling with ice;99.3%
1927-95-3

4-bromophenyl acetate

124-38-9

carbon dioxide

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 4-bromophenyl acetate With bromobenzene; trifluoroacetic acid; cobalt(II) bromide; zinc dibromide; zinc In acetonitrile Inert atmosphere;
Stage #2: carbon dioxide With palladium diacetate; tricyclohexylphosphine In tetrahydrofuran; acetonitrile at 0℃; under 760.051 Torr; Inert atmosphere; Further stages;
97%
619-42-1

4-methoxycarbonylphenyl bromide

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 4-methoxycarbonylphenyl bromide With copper(l) iodide; 5-bromo-2-(1H-imidazol-2-yl)pyridine; potassium hydroxide In water; dimethyl sulfoxide; tert-butyl alcohol at 120℃; for 36h; Inert atmosphere;
Stage #2: With hydrogenchloride In water; dimethyl sulfoxide; tert-butyl alcohol pH=1 - 2; Inert atmosphere;
83%
86960-46-5

4-n-decanoyloxybenzoic acid

A

2388-12-7

peroxylaurinoic acid

B

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With dihydrogen peroxide In water at 20℃; pH=10 - 11;A 100%
B n/a
124-38-9

carbon dioxide

139-02-6

sodium phenoxide

A

69-72-7

salicylic acid

B

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With 2,3-dimethyl-2,3-butane diol In phenol at 120℃; under 4500.45 Torr; for 1h; Autoclave;A 28.5%
B 2.9%
Stage #1: sodium phenoxide With acetylacetone at 120℃; under 4500.45 Torr; for 1h; Autoclave; Inert atmosphere;
Stage #2: carbon dioxide With water at 60℃; for 0.5h; Reagent/catalyst; Autoclave;
56-23-5

tetrachloromethane

108-95-2

phenol

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With sodium hydroxide; copper In water at 80℃; for 6h;86.5%
With copper; β‐cyclodextrin In potassium hydroxide at 80℃; for 15h;59%
124-38-9

carbon dioxide

71597-85-8

(p-hydroxyphenyl)boronic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With chloro[1,3-bis(2,6-di-i-propylphenyl)imidazol-2-ylidene]copper(I); potassium methanolate In N,N-dimethyl acetamide at 70℃; for 24h; Schlenk technique; Sealed tube;68%
99768-12-4

4-methoxycarbonylphenylboronic acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With tert.-butylhydroperoxide; potassium tert-butylate In water at 20 - 50℃; for 5h;47%
123-08-0

4-hydroxy-benzaldehyde

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With bis(acetylacetonate)oxovanadium; dihydrogen peroxide In acetonitrile at 20℃; for 5.3h; Reagent/catalyst;96%
With C4H11FeMo6NO24(3-)*3C16H36N(1+); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 8h; Green chemistry;95%
With surface plasmon resonance-activated silver nanocubes; air at 60℃; under 760.051 Torr; for 18h; Wavelength; Irradiation;95%
124-38-9

carbon dioxide

540-38-5

4-Iodophenol

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With 3,4-benzo-1,1,2,2-tetraethyl-1,2-disilacyclobut-3-ene; cesium fluoride In N,N-dimethyl-formamide at 0 - 20℃; under 760.051 Torr; for 2h;70%
With copper(l) iodide; N,N,N,N,-tetramethylethylenediamine; diethylzinc In N,N-dimethyl acetamide at 70℃; under 760.051 Torr;40%
767-00-0

4-cyanophenol

A

619-57-8

p-hydroxybenzamide

B

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With water at 140℃; for 6h; Sealed tube;A 92%
B 8%

4-acetoxycinnamic acid amide

A

2345-34-8

4-acetyloxy-benzoic acid

B

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 4-acetoxycinnamic acid amide With oxygen; ozone; acetic acid In water at 0 - 10℃; for 2h;
Stage #2: With dihydrogen peroxide In water at 15 - 90℃; for 2h;
A 59%
B 36%
7400-08-0

para-coumaric acid

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: para-coumaric acid With oxygen; ozone; acetic acid In water at 0 - 10℃; for 1.16667h;
Stage #2: With dihydrogen peroxide In water at 15 - 95℃; for 3h;
16%
With potassium hydroxide fusion;

C16H16O4S

A

156-38-7

4-hydroxyphenylacetate

B

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With ammonium cerium (IV) nitrate; oxygen In acetonitrile at 20 - 50℃; for 4h;A 45%
B 40%

4-hydroxycinnamic acid amide

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 4-hydroxycinnamic acid amide With oxygen; ozone; acetic acid In water at 0 - 10℃; for 2.5h;
Stage #2: With dihydrogen peroxide In water at 15 - 95℃; for 4h;
37%
27542-85-4, 50363-92-3, 15486-19-8

3-(4-acetoxyphenyl)acrylic acid

A

2345-34-8

4-acetyloxy-benzoic acid

B

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
Stage #1: 3-(4-acetoxyphenyl)acrylic acid With oxygen; ozone; acetic acid In water at 0 - 10℃; for 1.16667h;
Stage #2: With dihydrogen peroxide In water at 15 - 95℃; for 3h;
A 51%
B 30%
106-44-5

p-cresol

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With urea-hydrogen peroxide at 141 - 144℃; for 0.0444444h; microwave irradiation;70%
With potassium hydroxide durch Verschmelzen;
With potassium hydroxide; lead dioxide at 200 - 220℃; durch Verschmelzen;
99-93-4

4-Hydroxyacetophenone

99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
With N-bromophthalimide; mercury(II) diacetate In chloroform at 20℃; for 2h;92%
With tert.-butylhydroperoxide; rhenium(VII) oxide; acetic acid at 100℃; for 5h;40%
With copper(l) iodide; hydroxylamine hydrochloride; oxygen In dimethyl sulfoxide at 100℃; for 50h;28%
108-24-7

acetic anhydride

99-96-7

4-hydroxy-benzoic acid

2345-34-8

4-acetyloxy-benzoic acid

Conditions
ConditionsYield
With pyridine In tetrahydrofuran; toluene at 0 - 20℃; for 16h;100%
With Sulfate; titanium(IV) oxide In cyclohexane at 81℃; for 0.166667h;98%
With lanthanum(III) nitrate at 20℃; for 0.333333h;97%
67-56-1

methanol

99-96-7

4-hydroxy-benzoic acid

99-76-3

methyl 4-hydroxylbenzoate

Conditions
ConditionsYield
With boron trifluoride at 65℃; for 0.333333h;100%
With sulfuric acid for 8h; Heating;100%
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; Mitsunobu reaction; chemoselective reaction;100%
77-78-1

dimethyl sulfate

99-96-7

4-hydroxy-benzoic acid

121-98-2

methyl 4-methoxybenzoate

Conditions
ConditionsYield
With potassium carbonate In acetone for 4h; Inert atmosphere; Reflux;100%
With sodium hydroxide In water; xylene at 85℃; for 1.25h; pH=8 - 10;98.05%
With sodium hydroxide In water; xylene at 85℃; pH=8 - 10;98.05%
18162-48-6

tert-butyldimethylsilyl chloride

99-96-7

4-hydroxy-benzoic acid

78324-14-8

tert-butyldimethylsilyl 4-((tert-butyldimethylsilyl)oxy)benzoate

Conditions
ConditionsYield
With triethylamine In ethyl acetate at 20℃; for 1h;100%
With 1H-imidazole In N,N-dimethyl-formamide at 60℃; for 16h;100%
With 1H-imidazole In N,N-dimethyl-formamide at 60℃; for 16h;99%

sodium thiosulfate

99-96-7

4-hydroxy-benzoic acid

37470-46-5

4-hydroxy-3-iodobenzoic acid

Conditions
ConditionsYield
With sodium iodide; sodium perchlorate; sodium In methanol100%
71125-38-7

meloxicam

99-96-7

4-hydroxy-benzoic acid

1174325-95-1

meloxicam 4-hydroxybenzoic acid

Conditions
ConditionsYield
In tetrahydrofuran for 0.5h;100%
In tetrahydrofuran
107-30-2

chloromethyl methyl ether

99-96-7

4-hydroxy-benzoic acid

25458-44-0

4-(methoxymethoxy)benzoic acid

Conditions
ConditionsYield
Stage #1: chloromethyl methyl ether; 4-hydroxy-benzoic acid With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 17h;
Stage #2: With potassium hydroxide In methanol at 20℃; for 3h;
Stage #3: With hydrogenchloride In water
100%
Stage #1: chloromethyl methyl ether; 4-hydroxy-benzoic acid With N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 24h;
Stage #2: With potassium hydroxide In methanol; water for 3h; Reflux;
110 g
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 24h;100 g
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 24h;110 g
100-97-0

hexamethylenetetramine

99-96-7

4-hydroxy-benzoic acid

1384440-57-6

3,5-diformyl-4-hydroxybenzoic acid

Conditions
ConditionsYield
Stage #1: hexamethylenetetramine; 4-hydroxy-benzoic acid With trifluoroacetic acid for 72h; Reflux;
Stage #2: With water at 20 - 80℃; for 4h;
100%
With trifluoroacetic acid at 110℃; for 48h;70%
With trifluoroacetic acid at 110℃; for 48h;70%
76-05-1

trifluoroacetic acid

99-96-7

4-hydroxy-benzoic acid

1384440-57-6

3,5-diformyl-4-hydroxybenzoic acid

Conditions
ConditionsYield
With hexamethylenetetraamine for 72h; Reflux; Inert atmosphere;100%
With hexamethylenetetramine at 110℃; for 48h; Darkness;70%
185756-32-5

4-(chlorocarbonyloxy)butyl prop-2-enoate

99-96-7

4-hydroxy-benzoic acid

297132-04-8

4-(4-prop-2-enoyloxybutoxycarbonyloxy)benzoic acid

Conditions
ConditionsYield
Stage #1: 4-hydroxy-benzoic acid With sodium hydroxide In water; N,N-dimethyl-formamide pH=10;
Stage #2: 4-(chlorocarbonyloxy)butyl prop-2-enoate With sodium hydroxide In water; N,N-dimethyl-formamide at 20℃; for 22h; pH=10;
100%
79-22-1

methyl chloroformate

99-96-7

4-hydroxy-benzoic acid

14180-11-1

4-(methoxycarbonyloxy)benzoic acid

Conditions
ConditionsYield
With sodium hydroxide at 20℃; Acylation;99%
With sodium hydroxide In water96%
With sodium hydroxide In water at -5 - 20℃;92%
62-53-3

aniline

99-96-7

4-hydroxy-benzoic acid

14121-97-2

4-hydroxybenzanilide

Conditions
ConditionsYield
With fluorosulfonyl fluoride; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 5h;99%
With tetrabutylammomium bromide; iodine; potassium hydroxide In water at 20℃; for 2.5h; Irradiation;94%
With tetrabutylammomium bromide; caesium carbonate In water at 20℃; for 0.5h; Electrochemical reaction; chemoselective reaction;93%
74-88-4

methyl iodide

99-96-7

4-hydroxy-benzoic acid

99-76-3

methyl 4-hydroxylbenzoate

Conditions
ConditionsYield
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 40℃;99%
Stage #1: 4-hydroxy-benzoic acid With sodium hydrogencarbonate In water at 20℃; for 1h;
Stage #2: methyl iodide In N,N-dimethyl-formamide at 0 - 20℃;
95%
With potassium hydroxide at 220℃; im geschlossenen Rohr;
With N'',N'''''-1,8-naphthalenediyl bis[N,N,N',N'-tetramethyl]guanidine In N,N-dimethyl-formamide at 20℃; Kinetics;
71-36-3

butan-1-ol

99-96-7

4-hydroxy-benzoic acid

94-26-8

4-hydroxybenzoic acid, butyl ester

Conditions
ConditionsYield
With sulfuric acid In toluene Esterification; Heating;99%
With [1-(3-sulfonic acid)]propyl-3-methylimidazolium hydrogen sulfate at 125 - 135℃; for 3h;95.3%
With benzimidazole bisulfate ionic liquid Reflux;95.3%
100-39-0

benzyl bromide

99-96-7

4-hydroxy-benzoic acid

1486-51-7

p-(benzyloxy)benzoic acid

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water for 20h; Reflux;99%
With n-Bu4POH In tetrahydrofuran; water at 0 - 20℃;94%
With potassium hydroxide In ethanol; water for 5h; Reflux;91%

4-(4-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine

99-96-7

4-hydroxy-benzoic acid

[4-(4-Chlorophenyl)-4,5,6,7-tetrahydro-thieno[3,2-c]pyridin-5-yl]-(4-hydroxyphenyl)methanone

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 24h; Substitution;99%
99-96-7

4-hydroxy-benzoic acid

108-95-2

phenol

Conditions
ConditionsYield
With Na-X zeolite In water at 230℃; for 2h; Reagent/catalyst; Temperature; Time; Autoclave;99%
With tetrakis(acetonitrile)palladium(II) tetrafluoroborate; 1,2-bis[di(t-butyl)phosphinomethyl]benzene In toluene at 140℃; for 5h; Autoclave;85%
With Cocos nucifera juice at 20℃; for 48h; Inert atmosphere;77%
95-55-6

2-amino-phenol

99-96-7

4-hydroxy-benzoic acid

3315-19-3

2-(4-hydroxyphenyl)benzoxazole

Conditions
ConditionsYield
boric acid In 1,2-dichloro-benzene for 18h; Heating / reflux;99%
With samarium(III) trifluoromethanesulfonate In ethanol; water at 80℃; for 4h;85%
With toluene-4-sulfonic acid In xylene for 4h; Heating;46%
501-53-1

benzyl chloroformate

99-96-7

4-hydroxy-benzoic acid

14180-10-0

4-carbobenzoxyoxybenzoic acid

Conditions
ConditionsYield
With sodium hydroxide In water99%
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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

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    Business Type:Manufacturers

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  • 4-Hydroxybenzoic acid

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    4-Hydroxybenzoic acid Product Name: 4-Hydroxybenzoic acid Molecular Weight: 138.12 CAS NO: 99-96-7 EC NO: 202-804-9 Molecular Formula: C7

    Founded in 2008, East Chemsources Limited is a professional manufacturer of supplier in food and beverage, pharmaceuticals, cosmetics and other industries. pharmaceutical field in

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    Business Type:Manufacturers

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     China (Mainland)  |  Contact Details

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    Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi

    Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,an

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    Business Type:Manufacturers

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    Product Name 4-Hydroxybenzoic acid Synonyms 4-hydroxy-benzoicaci;acidop-idrossibenzoico;Benzoic acid, p-hydroxy-;benzoicacid,4-hydroxy;Benzoicacid,4-hydroxy-;Hydroxybenzoic acid, para;Kyselina 4-hydroxybe

    Welcome to Henan Sinotech! Sinotech Corporation has exceptional sourcing ability for chemicals used in Organic Fine Chemicals and APIs; Inorganic chemicals; Flame Retardants;OLED

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    4-HYDROXYBENZOIC ACID, CAS 99-96-7 Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of elect

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    Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is (Wen Xi Pharma), including three subs

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-13111626072

    Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei

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    Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd (JL Pharm) is established in 2012 at the beautiful West Lake – Hangzhou city, China. The company's main business includes R&D, Produ

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     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

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    Country of origin : China Port: Shanghai Shenzhen Qingdao Hongkong PackAge: Zip lock Bag , Vacuum sealed foil packaging, Carton packing ,Export grade fiber drum or as customers’ requirement. Purity: 99%min Storage: keep in dry and c

    HUBEI AOKS BIO-TECH CO.,LTD is located in Hubei province of China.We specialized in Active pharmaceutical ingredient,pharmaceutical intermediates,veterinary drug intermediates and

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     China (Mainland)  |  Contact Details

    Business Type:Trading Company

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     China (Mainland)  |  Contact Details

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     China (Mainland)  |  Contact Details

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    Business Type:Trading Company

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    Business Type:Lab/Research institutions

    Tel:+86-21-52196435

    Address:No.2 Floor,No.979 Yunhan Rd,Nicheng,Pudong New Area,Shanghai,China

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    99-96-7

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    Product Name: 4-Hydroxybenzoic acid CAS: 99-96-7 MF: C7H6O3 MW: 138.12 EINECS: 202-804-9 4-Hydroxybenzoic acid Structure 4-Hydroxybenzoic acid Chemical Properties Melting point 213-217 °C (lit.) Boiling point 213.5°C

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    Name: 4-Hydroxybenzoic acid Molecular Formula: C7H6O3 CAS Number: 99-96-7 Package: According to the customer's request Export Port: Wuhan, Shanghai, Shenzhen, Guangzhou, etc, Purity: 99% min Storage condition: Refrigerator store (w

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    Address:95A, Xingyuan East Road, Zhangdian District

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    ProductName:4-Hydroxybenzoicacid Synonyms:4-Carboxyphenol;4-hydroxy;4-hydroxy-benzoicaci;acidop-idrossibenzoico;Benzoicacid,p-hydroxy-;benzoica…Appearance:colorless crystals Storage:store at RT Package:25kg drums Application:use in organic syn

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    Best price CAS 99-96-7 P-Hydroxybenzoic acid /4-Hydroxybenzoic acid Chemical Name:4-Hydroxybenzoic acid Trade Name:p-oxybenzoic acid Molecular Formula:C7H6O3 Molecular Weight:138.12 CAS No.:99-96-7 Properties:white odorless crystalline p

    Hebei Lvyang Biotechnology Co., Ltd. Is a specialized production enterprise integrating scientific research, production, processing and export. Mainly deal in pharmaceutical inte

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    Business Type:Manufacturers

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    Coreychem Henan CoreyChem Co., Ltd, facing global High-tech pharmaceutical raw materials, high value-added new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade.

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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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  • P-hydroxybenzoic acid

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    99-96-7

    P-hydroxybenzoic acid

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  • Bulk supply 4-Hydroxybenzoic acid  CAS No.99-96-7

  • Casno:

    99-96-7

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Chemistry

Molecular Formula: C7H6O3
Molecular Weight: 138.12 g/mol
EINECS: 202-804-9 
Index of Refraction: 1.615
Density: 1.375 g/cm3
Flash Point: 171.3 °C
Enthalpy of Vaporization: 61.14 kJ/mol
Boiling Point: 336.2 °C at 760 mmHg
Vapour Pressure: 4.48E-05 mmHg at 25 °C
Melting point: 213-217 °C(lit.)
Water solubility: 5 g/L (20 °C)
Appearance: White to beige crystalline powder
Structure of 4-Hydroxybenzoic acid (CAS NO.99-96-7):
                             
IUPAC Name: 4-Hydroxybenzoic acid
Product Categories: Pharmaceutical Raw Materials;Benzoic Acids (Building Blocks for Liquid Crystals);Functional Materials;Phenols;Aromatics;Impurities;Intermediates & Fine Chemicals;Carboxylic Acids;Alphabetical Listings;Flavors and Fragrances

Uses

 4-Hydroxybenzoic acid (CAS NO.99-96-7) is primarily known as the basis for the preparation of its ESTERS. As parabens, it was used as preservatives in cosmetics.

Production

 4-Hydroxybenzoic acid (CAS NO.99-96-7) is produced commercially from potassium phenoxide and carbon dioxide in the Kolbe-Schmitt reaction. It can also be produced in the laboratory by heating potassium salicylate with potassium carbonate to 240 °C, followed by treating with acid.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 210mg/kg (210mg/kg) PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)
BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
BEHAVIORAL: ATAXIA
Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 45, Pg. 260, 1956.
mouse LD50 oral 2200mg/kg (2200mg/kg)   Drug Standards. Vol. 20, Pg. 89, 1952.
mouse LD50 subcutaneous 1050mg/kg (1050mg/kg)   Archives Internationales de Pharmacodynamie et de Therapie. Vol. 128, Pg. 135, 1960.
rat LD50 intraperitoneal 340mg/kg (340mg/kg) BEHAVIORAL: MUSCLE WEAKNESS Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(1), Pg. 85, 1986.
rat LD50 oral > 10gm/kg (10000mg/kg) BEHAVIORAL: MUSCLE WEAKNESS
LUNGS, THORAX, OR RESPIRATION: DYSPNEA
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 28(7), Pg. 53, 1984.

Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36-36/37/38 
R36:Irritating to eyes. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S37/39:Wear suitable gloves and eye/face protection.

Specification

 4-Hydroxybenzoic acid , its cas register number is 99-96-7. It also can be called 4-Hydroxybenzenecarboxylic acid ; Benzoic acid, 4-hydroxy- ; and 4-Hydroxy-benzoesaeure . 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.
In addition, 4-Hydroxybenzoic acid (CAS NO.99-96-7) could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: irritating and toxic fumes and gases. hydrogen chloride, carbon monoxide, carbon dioxide.

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