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620-02-0

Basic Information
CAS No.: 620-02-0
Name: 2-Furancarboxaldehyde,5-methyl-
Molecular Structure:
Molecular Structure of 620-02-0 (2-Furancarboxaldehyde,5-methyl-)
Formula: C6H6O2
Molecular Weight: 110.12
Synonyms: 2-Furaldehyde,5-methyl- (6CI,8CI);2-Formyl-5-methylfuran;2-Formyl-5-methyltetrahydrofuran;2-Methyl-5-formylfuran;2-Methyl-5-furaldehyde;5-Methyl-2-furaldehyde;5-Methyl-2-furancarboxaldehyde;5-Methyl-2-furfural;5-Methyl-2-furfuraldehyde;5-Methyl-2-furfurylaldehyde;5-Methylfuran-2-al;5-Methylfuran-2-aldehyde;5-Methylfuran-2-carbaldehyde;5-Methylfurfural;5-Methylfurfuraldehyde;
EINECS: 210-622-6
Density: 1.099 g/cm3
Melting Point: 171 °C
Boiling Point: 187 °C at 760 mmHg
Flash Point: 72.8 °C
Solubility: Soluble in alcohol and water.
Appearance: Colorless to light yellow liquid
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36-24/25
Transport Information:
PSA: 30.21000
LogP: 1.40050
Synthetic route
62202-47-5

(5-methylfuran-2-yl)methylene diacetate

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With [NO(1+)*18-crown-6*H(NO3)2(1-)]; silica gel In dichloromethane at 20℃; for 0.0833333h;100%
With caro's acid; silica gel In dichloromethane for 0.0333333h; Heating;100%
With aluminium trichloride In acetonitrile for 0.0833333h; Deacetylation; Heating;99%
534-22-5

2-methylfuran

68-12-2, 33513-42-7

N,N-dimethyl-formamide

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With trichlorophosphate In 1,2-dichloro-ethane 1.) 0 deg C, 1 h, 2.) 0 deg C - 26 deg C;99.6%
With bis(trichloromethyl) carbonate In dichloromethane at 20℃;98.8%
With trichlorophosphate
Yield given. Multistep reaction;
1623-88-7

5-chloromethylfurfural

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen In 1,2-dichloro-ethane at 70℃; under 8250.83 Torr; for 5h; pH=8.88; Reagent/catalyst; Temperature; Autoclave;99%
With palladium 10% on activated carbon; hydrogen; N,N-dimethyl-formamide under 3361.55 Torr; for 1.21667h;97%
With palladium 10% on activated carbon; hydrogen; N,N-dimethyl-formamide under 103.432 - 3361.55 Torr; for 1.21667h; Reagent/catalyst;97%
39131-44-7

5-bromomethyl-furan-2-carbaldehyde

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With 5%-palladium/activated carbon; hydrogen In 1,2-dichloro-ethane at 50℃; under 8250.83 Torr; for 5h; pH=8.39; Reagent/catalyst; Autoclave;98%
With hydrogenchloride; tin(ll) chloride
1899-24-7

5-bromo-2-furancarboxaldehyde

[3-(dimethylamino)propyl]dimethylindium

[3-(dimethylamino)propyl]dimethylindium

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride In benzene at 80℃; for 12h;97%
1899-24-7

5-bromo-2-furancarboxaldehyde

bis(μ-[2-(dimethylamino)ethanolato-N,O:O]tetramethyldiindium

bis(μ-[2-(dimethylamino)ethanolato-N,O:O]tetramethyldiindium

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride In benzene at 80℃; for 24h;95%
67-47-0

5-hydroxymethyl-2-furfuraldehyde

A

620-02-0

5-Methylfurfural

B

1883-75-6

2,5-bis-(hydroxymethyl)furan

Conditions
ConditionsYield
With hydrogen; 20Cu/Al2O3 In methanol at 130℃; under 22502.3 Torr; for 1h; Catalytic behavior; Solvent;A 6.62%
B 93.01%
With water; hydrogen at 160℃; under 30003 Torr; for 4h; Autoclave;
With hydrogen In ethanol at 100℃; under 37503.8 Torr; for 6h; Autoclave;

2-((5-methylfuran-2-yl)methylene)hydrazine-1-carboxamide

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With tetrachlorosilane; silica gel In hexane; water for 1h; Heating;92%
With aluminium trichloride; 1-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane dichromate at 20℃; for 0.0111111h;90%
With zirconium hydrogen sulfate; silica gel In hexane at 20℃; for 0.2h;90%
534-22-5

2-methylfuran

75-44-5

phosgene

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
Stage #1: 2-methylfuran; phosgene With N,N-dimethyl-formamide In toluene at 40 - 60℃; for 5 - 13h;
Stage #2: With water In toluene at 40 - 45℃;
Stage #3: With sodium hydroxide In water; toluene for 1h; pH=8.9; Product distribution / selectivity;
92%
3857-25-8

2-hydroxymethyl-5-methylfuran

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With oxygen; hydroquinone In tetrahydrofuran; aq. phosphate buffer at 20℃; for 12h; pH=4.5; Green chemistry;91%
With butyltriphenylphosphonium dichromate In chloroform for 0.75h; Oxidation; Heating;88%
With potassium dichromate; aluminium trichloride for 0.0666667h;88%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium carbonate; N-Phenylglycine; copper(ll) bromide In water for 16h; Reflux; Schlenk technique;82%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; dimethyl 3-methyl-9-oxo-7-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-2,4-di(pyridin-2-yl)-3,7-diazabicyclo-[3.3.1]nonane-1,5-dicarboxylate; copper(I) bromide In water at 20℃; for 10h; Green chemistry;76%
98-01-1

furfural

109-72-8, 29786-93-4

n-butyllithium

74-88-4

methyl iodide

A

620-02-0

5-Methylfurfural

B

70396-63-3, 14313-18-9

1-(5-methylfuran-2-yl)pentan-1-ol

Conditions
ConditionsYield
With N,O-dimethylhydroxylamine*hydrochloride In tetrahydrofuran; hexane at -20℃; for 1h; Product distribution; Further Variations:; Reagents; Solvents; Temperatures; time;A 90.7%
B 1.1%
1899-24-7

5-bromo-2-furancarboxaldehyde

[3-(dimethylamino)propyl]dimethylgallium

[3-(dimethylamino)propyl]dimethylgallium

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride In benzene at 80℃; for 24h;90%

5-methyl-2-furancarbaldehyde oxime

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With aluminium trichloride; 1-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane dichromate at 20℃; for 0.00833333h;89%
With 1-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane dichromate In dichloromethane for 0.00833333h; Irradiation;89%
With aluminium trichloride; benzyltriphenylphosphonium chlorochromate In acetonitrile for 0.833333h; Heating;89%
102390-86-3

5-(2-furaldehyde)methyl formate

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With formic acid; 5%-palladium/activated carbon; ammonium formate at 80℃; for 1h;89%
57784-53-9

5-methylfuran-2-carbaldehyde oxime

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With benzeneselenic anhydride In dichloromethane83%
104208-14-2

2-(furan-2-yl)-1,3-dimethylimidazolidine

74-88-4

methyl iodide

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
Stage #1: 2-(furan-2-yl)-1,3-dimethylimidazolidine With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at -78℃; for 2h;
Stage #2: methyl iodide at 20℃; for 12h;
Stage #3: With hydrogenchloride In water
82%
With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; sulfuric acid Yield given. Multistep reaction;
1899-24-7

5-bromo-2-furancarboxaldehyde

823-96-1

Trimethylboroxine

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With C70H40Cl2F68N2O6Pd2; tetrabutylammomium bromide; potassium carbonate In water at 140℃; for 0.266667h; Suzuki-Miyaura reaction; Microwave irradiation;82%
1883-75-6

2,5-bis-(hydroxymethyl)furan

A

625-86-5

2,5-dimethylfuran

B

620-02-0

5-Methylfurfural

C

823-82-5

2,5-diformylfurane

Conditions
ConditionsYield
With iodine at 60℃; for 10h; Inert atmosphere; Sealed tube;A 5%
B 80%
C 6%
23029-68-7

2-dibutoxymethyl-5-methylfuran

A

620-02-0

5-Methylfurfural

B

126080-80-6

5-Methyl-furan-2-carboxylic acid butyl ester

Conditions
ConditionsYield
With tin(IV) chloride In 1,2-dichloro-ethane at 0℃; for 0.25h;A 22%
B 78%
67-47-0

5-hydroxymethyl-2-furfuraldehyde

A

625-86-5

2,5-dimethylfuran

B

620-02-0

5-Methylfurfural

C

1883-75-6

2,5-bis-(hydroxymethyl)furan

D

C7H10O

E

121709-55-5

2,2′-(1,2-ethanediyl)bis [5-methylfuran]

Conditions
ConditionsYield
With hydrogen In tetrahydrofuran at 130℃; under 7500.75 Torr; for 24h; Pressure; Temperature; Reagent/catalyst; Time; Autoclave; High pressure;A 76%
B n/a
C n/a
D n/a
E n/a
534-22-5

2-methylfuran

3724-43-4, 149409-22-3

Vilsmeier reagent

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
Stage #1: 2-methylfuran; Vilsmeier reagent at 0℃; for 1h;
Stage #2: With water; sodium carbonate at 0℃;
76%
67-47-0

5-hydroxymethyl-2-furfuraldehyde

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With formic acid In tetrahydrofuran at 220℃; under 3750.38 Torr; for 7.5h; Catalytic behavior; Mechanism; Reagent/catalyst; Temperature; Inert atmosphere; Autoclave; Green chemistry;73%
With hydrogen iodide In benzene-d6; water at 100℃; under 15514.9 Torr; for 2.5h; Inert atmosphere;47%
With hydrogenchloride; sodium iodide In diethyl ether; dichloromethane; water electrolysis, mercury pool cathode, -0.2 V;
67-47-0

5-hydroxymethyl-2-furfuraldehyde

A

625-86-5

2,5-dimethylfuran

B

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen; Al(OH)(2,2'-bipyridine-5,5'-dicarboxylic acid)0.81(PdCl2)0.48(OTf)0.38 at 150℃; under 15001.5 Torr; for 24h;A 71%
B 29%
With awaruite; hydrogen at 160℃; under 7500.75 Torr; for 2h; Catalytic behavior; Time; chemoselective reaction;A 15.7%
B 19.8%
With hydrogenchloride; hydrogen In tetrahydrofuran at 60℃; under 760.051 Torr; for 6h; Reagent/catalyst; Schlenk technique;A 8 %Chromat.
B 7 %Chromat.
470-23-5

D-fructose

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen iodide; hydrogen; palladium on activated charcoal In water; benzene at 90℃; under 15514.9 Torr; for 0.5h; Product distribution / selectivity;69%
With palladium on activated charcoal; hydrogen iodide; hydrogen at 120℃; under 15514.9 Torr; for 0.5h;68%
With rhodium(III) chloride trihydrate; hydrogen iodide In water; toluene at 80℃; under 15514.9 Torr; for 9h; Inert atmosphere;100 %Chromat.
With phosphoric acid; hydrogen iodide In water; toluene at 90℃; for 3h;
Multi-step reaction with 2 steps
1: hydrogen bromide / 1,2-dichloro-ethane / 8 h / Reflux
2: 5%-palladium/activated carbon; formic acid; ammonium formate / 1 h / 80 °C
View Scheme
23029-68-7

2-dibutoxymethyl-5-methylfuran

A

620-02-0

5-Methylfurfural

B

126080-79-3

2-butoxymethyl-5-methylfuran

C

126080-80-6

5-Methyl-furan-2-carboxylic acid butyl ester

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In 1,2-dichloro-ethane at 0℃; for 0.25h;A 8%
B 65%
C 13%
Conditions
ConditionsYield
With Dowex 50Wx8-200 ion-exchange resin at 100℃; for 3h; Ionic liquid; Sealed tube;63%
With Phenylalanine In water at 98℃; for 10h; Product distribution; formation of furfural derivatives in amino-carbonyl reaction; various pH (2 - 12);
Conditions
ConditionsYield
With tungsten monocarbide; hydrogen iodide; hydrogen In water; toluene at 130℃; under 10343.2 Torr; for 1h; Catalytic behavior; Pressure; Reagent/catalyst;63%
73-34-7

L-rhamnose

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With chromium dichloride; 4-methyl-2-pentanone; 1-butyl-3-methylimidazolium chloride at 100℃; Catalytic behavior; Reagent/catalyst; Temperature;61%
With hydrogenchloride; C12H25C6H4SO3Na; cetyltrimethylammonium chloride 1.) 20 deg C, 2 h; 2.) carbon tetrachloride, 40-70 deg C; Yield given. Multistep reaction;
inulin

inulin

620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen iodide; hydrogen; ruthenium trichloride In water; benzene at 75℃; under 15514.9 Torr; for 2h;61%
With tungsten monocarbide; hydrogen iodide; hydrogen In water; toluene at 160℃; under 10343.2 Torr; for 1h;30%
With rhodium(III) chloride hydrate; hydrogen iodide; hydrogen In water; benzene at 75℃; under 15514.9 Torr; for 2h; Autoclave;61 %Spectr.
620-02-0

5-Methylfurfural

74-90-8

hydrogen cyanide

136521-57-8

(S)-(+)-2-hydroxy-2-(5-methyl-2-furyl)acetonitrile

Conditions
ConditionsYield
With almond meal; citrate buffer pH 5.5 In ethyl acetate at 4℃;100%
With almond meal In di-isopropyl ether at 15℃;99%
With almond meal ((R)-oxynitrilase) In di-isopropyl ether at 4 - 30℃;60%
620-02-0

5-Methylfurfural

104-94-9

4-methoxy-aniline

95124-23-5

N-(4-methoxyphenyl)-1-(5-methylfuran-2-yl)methanimine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In diethyl ether at 20℃; Molecular sieve; Inert atmosphere;100%
620-02-0

5-Methylfurfural

61700-55-8

pipecolic acid hydrazide

3-(5-Methyl-furan-2-yl)-2-{[1-(5-methyl-furan-2-yl)-meth-(E)-ylidene]-amino}-hexahydro-imidazo[1,5-a]pyridin-1-one

Conditions
ConditionsYield
In ethanol100%
620-02-0

5-Methylfurfural

917-54-4

methyllithium

14003-15-7

2-(1-hydroxyethyl)-5-methylfuran

Conditions
ConditionsYield
In tetrahydrofuran at -78℃;100%
620-02-0

5-Methylfurfural

100-46-9

benzylamine

91608-35-4

Benzyl-[1-(5-methyl-furan-2-yl)-meth-(E)-ylidene]-amine

Conditions
ConditionsYield
In ethanol at 20℃;100%
In dichloromethane at 20℃; for 24h;
In benzene Heating;
With magnesium sulfate In dichloromethane at 20℃;
In ethanol at 100℃; for 0.0166667h; Concentration; Sealed tube; Microwave irradiation;
620-02-0

5-Methylfurfural

473731-98-5

C8H7F5O2

Conditions
ConditionsYield
Stage #1: Pentafluoroethyl iodide With methyl lithium lithium bromide complex In diethyl ether at -78℃; for 0.25h;
Stage #2: 5-Methylfurfural In diethyl ether at -78 - 45℃; for 2h;
Stage #3: With ammonium chloride In diethyl ether; water at 20℃; for 1h;
100%
620-02-0

5-Methylfurfural

697748-22-4

1-methoxycarbonyl-2-t-butoxycarbonyl ethyl phosphorane

697748-19-9

E-3-methoxycarbonyl-4-(5-methylfur-2-yl)-but-3-enoic acid t-butyl ester

Conditions
ConditionsYield
In toluene at 80℃; for 48h;100%
620-02-0

5-Methylfurfural

927885-19-6

N-(4-aminomethylbenzyl)-N',N'-dipropylbutane-1,4-diamine

927885-35-6

{(4-dipropylaminobutyl)-[4-(5-methylfuran-2-ylmethylidene)aminomethylbenzyl]}-amine

Conditions
ConditionsYield
With sodium sulfate In ethanol at 20℃; for 25h;100%
With sodium sulfate In ethanol at 25℃; for 20h;100%
620-02-0

5-Methylfurfural

9-Phenyl-1,2,3,4,5,6,7,8-octahydro-xanthenylium; perchlorate

1161226-52-3

C31H29O3(1+)*ClO4(1-)

Conditions
ConditionsYield
With phosphorus pentoxide In isopropyl alcohol Reflux;100%
620-02-0

5-Methylfurfural

354-64-3

Pentafluoroethyl iodide

473731-98-5

C8H7F5O2

Conditions
ConditionsYield
Stage #1: Pentafluoroethyl iodide With methyllithium lithium bromide In diethyl ether at -78℃; for 0.25h;
Stage #2: 5-Methylfurfural In diethyl ether at -45℃; for 2h;
100%
Stage #1: Pentafluoroethyl iodide With methyllithium lithium bromide In diethyl ether at -78℃; for 0.25h;
Stage #2: 5-Methylfurfural In diethyl ether at -78 - -45℃; for 2h;
Stage #3: With ammonium chloride In diethyl ether; water at 20℃; for 1h;
100%
620-02-0

5-Methylfurfural

693-04-9

butyl magnesium bromide

70396-63-3, 14313-18-9

1-(5-methylfuran-2-yl)pentan-1-ol

Conditions
ConditionsYield
In diethyl ether at -10 - 10℃; Grignard reaction; Inert atmosphere;100%
110-89-4

piperidine

620-02-0

5-Methylfurfural

1233407-67-4

1,1'-[(5-methylfuran-2-yl)methanediyl]dipiperidine

Conditions
ConditionsYield
at 20℃; for 0.166667h; neat (no solvent);100%
620-02-0

5-Methylfurfural

1201652-21-2

(E)-2-((5-methylfuran-2-yl)methyleneamino)-N-phenylbenzamide

Conditions
ConditionsYield
100%
620-02-0

5-Methylfurfural

39533-32-9

methyl 2-isocyano-2-phenylacetate

106-49-0

p-toluidine

1360806-67-2

C23H22N2O3

Conditions
ConditionsYield
With sulphate sodium salt; silver(I) acetate In methanol at 20℃; for 20h; Inert atmosphere; optical yield given as %de;100%
620-02-0

5-Methylfurfural

1003-38-9

2,5-dimethyltetrahydrofuran

Conditions
ConditionsYield
With rhodium(III) iodide; hydrogen iodide; hydrogen In water; toluene at 125℃; under 15514.9 Torr; for 12h;100%
Multi-step reaction with 2 steps
1: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
2: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
View Scheme
Multi-step reaction with 2 steps
1: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
2: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
View Scheme
620-02-0

5-Methylfurfural

100-36-7

N,N-diethylethylenediamine

N1,N1-diethyl-N2-((5-methylfuran-2-yl)methylene)ethane-1,2-diamine

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane at 20℃; Inert atmosphere; Darkness;100%
620-02-0

5-Methylfurfural

99-98-9

4-amino-N,N-dimethylaniline

(E)-4-((5-methylfuran-2-ylmethylene)amino)-N,N-dimethylaniline

Conditions
ConditionsYield
In diethyl ether at 20℃; Inert atmosphere; Molecular sieve; Darkness;100%
620-02-0

5-Methylfurfural

864914-08-9

4-[(4-dipropylaminobutyl)amino]methylbenzonitrile

4-{[(4-dipropylaminobutyl)-(5-methylfuran-2-ylmethyl)amino]methyl}benzonitrile

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride In ethanol at 0 - 20℃; for 19h;99.5%
With sodium tris(acetoxy)borohydride In ethanol at 0 - 20℃; for 19h;99.5%
620-02-0

5-Methylfurfural

920-39-8

isopropylmagnesium bromide

32869-73-1

2-methyl-1-(5-methylfuran-2-yl)propan-1-ol

Conditions
ConditionsYield
In diethyl ether at -10 - 10℃; Grignard reaction; Inert atmosphere;99%
With diethyl ether
534-22-5

2-methylfuran

620-02-0

5-Methylfurfural

86269-31-0

2,2',2''-methylidenetris(5-methylfuran)

Conditions
ConditionsYield
With ion-exchange resin Lewatit SPC 108 (acid form) In 1,4-dioxane; water at 60℃; for 3h;99%
gold(III) chloride In acetonitrile at 20℃; for 48h;98%
With 1-methyl-3-(4-sulfobutyl)-1H-imidazol-3-ium hydrogensulfate In water at 65℃; for 2h; Green chemistry;94%
620-02-0

5-Methylfurfural

78-94-4

methyl vinyl ketone

85660-09-9

(Methyl-5' furyl-2')-1 pentanedione-1,4

Conditions
ConditionsYield
With acetate de sodium anhydre; iodure de dimethyl-3,4(hydroxyethyl-2)-5 thiazolium-1,3; triethylamine In ethanol Heating;99%
620-02-0

5-Methylfurfural

1575-38-8

3,5-dibromo-1,2-phenylendiamine

4,6-Dibromo-2-(5-methyl-furan-2-yl)-1-(4-methyl-furan-2-ylmethyl)-1H-benzoimidazole

Conditions
ConditionsYield
With hydrogenchloride In methanol; water for 0.25h; Heating;99%
620-02-0

5-Methylfurfural

A

1917-15-3

5-methylfuran-2-carboxylic acid

B

3857-25-8

2-hydroxymethyl-5-methylfuran

Conditions
ConditionsYield
Stage #1: 5-Methylfurfural With potassium hydroxide for 0.0833333h; Cannizzaro Reaction; Milling; Inert atmosphere; Sealed tube; Green chemistry;
Stage #2: With hydrogenchloride In water for 0.0833333h; Green chemistry;
A 99%
B 99%
With sodium hydroxide In diethyl ether; water for 4h; Heating;A 42%
B 35%
620-02-0

5-Methylfurfural

C15H15O(1+)*BF4(1-)

BF4(1-)*C21H19O2(1+)

Conditions
ConditionsYield
With phosphorus pentoxide In isopropyl alcohol; acetonitrile Heating;99%
620-02-0

5-Methylfurfural

594-19-4

tert.-butyl lithium

1210782-06-1

2,2-dimethyl-1-(5-methylfuran-2 yl)propan-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at -10 - 10℃; Inert atmosphere;99%
620-02-0

5-Methylfurfural

99968-74-8

amide of 5-methylfuran-2-carboxylic acid

Conditions
ConditionsYield
With hydroxylamine hydrochloride; caesium carbonate In water; dimethyl sulfoxide at 125℃; for 14h;99%
Multi-step reaction with 2 steps
1: hydroxylamine hydrochloride; pyridine / methanol / 24 h / 20 °C
2: [RuCl2(η2-C6H6){P(NMe2)3}]; water / 1 h / 100 °C / Inert atmosphere; Sealed tube
View Scheme
620-02-0

5-Methylfurfural

81290-20-2

(trifluoromethyl)trimethylsilane

2,2,2-Trifluoro-1-(5-methyl-furan-2-yl)-ethanol

Conditions
ConditionsYield
Stage #1: 5-Methylfurfural; (trifluoromethyl)trimethylsilane With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 4h;
Stage #2: With tetrabutyl ammonium fluoride In N,N-dimethyl-formamide for 4h;
99%
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    620-02-0

    5-Methyl furfural

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  • 5-Methylfurfural CAS NO.620-02-0

  • Casno:

    620-02-0

    5-Methylfurfural CAS NO.620-02-0

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    620-02-0

    5-Methyl furfural

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    620-02-0

    5-Methyl furfural

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  • 5-Methyl furfural

  • Casno:

    620-02-0

    5-Methyl furfural

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    Product name: 5-methylfurfural Molecular formula: C6H6O2 Molecular weight: 110.11 Moisture: ≤0.50%Appearance:Yellow liquid Package:200Kg/plastic drum

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Chemistry

Molecular Structure of 5-Methyl furfural (CAS NO.620-02-0):

IUPAC Name: 5-Methylfuran-2-carbaldehyde
Canonical SMILES: CC1=CC=C(O1)C=O
InChI: InChI=1S/C6H6O2/c1-5-2-3-6(4-7)8-5/h2-4H,1H3
InChIKey: OUDFNZMQXZILJD-UHFFFAOYSA-N
Molecular Weight: 110.11064 [g/mol]
Molecular Formula: C6H6O2
XLogP3: 0.7 
EINECS: 210-622-6 
Boiling Point: 187-189 °C(lit.)
Density: 1.107 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.531
FEMA: 2702 
Flash Point: 163 °F
Storage temp.: Refrigerator
Sensitive: Air Sensitive
Appearance: Colorless to light yellow liquid
Classification Code: Mutation data; Natural Product
Product Categories: Pharmaceutical Raw Materials; Aromatic Aldehydes & Derivatives (substituted); API intermediates; Furans; aldehyde Flavor

Toxicity Data With Reference

1.    

dnr-bcs 55 µg/disc

    DFSCDX    Developments in Food Science. 13 (1986),353.
2.    

cyt-ham:ovr 37,700 µmol/L

    CALEDQ    Cancer Letters (Shannon, Ireland). 13 (1981),89.
3.    

orl-rat LD50:2200 mg/kg

    FCTOD7    Food and Chemical Toxicology. 20 (1982),751.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Safety Information of 5-Methyl furfural (CAS NO.620-02-0):
Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-24/25 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 2
RTECS: LT7032500

Specification

 5-Methyl furfural (CAS NO.620-02-0), its Synonyms are 2-Formyl-5-methylfuran ; 2-Furaldehyde, 5-methyl- ; 2-Furancarboxaldehyde, 5-methyl- ; 2-Methyl-5-formylfuran ; 5-Methyl-2-furaldehyde ; 5-Methyl-2-furancarboxaldehyde ; 5-Methyl-2-furfural ; 5-Methyl-2-furfuraldehyde ; 5-Methylfuran-2-al ; 5-Methylfuran-2-carbaldehyde ; 5-Methylfurfural ; 5-Methylfurfuraldehyde .