Methyl 2-oxobutanoate

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Names

[ CAS No. ]:
3952-66-7

[ Name ]:
Methyl 2-oxobutanoate

[Synonym ]:
Butyric acid, 2-oxo-, methyl ester
Methyl 2-oxobutanoate
2-Oxobutanoic Acid Methyl Ester
Butanoic acid,2-oxo-,methyl ester
2-Oxobutyric acid methyl ester
METHYL 2-KETOBUTYRATE
2-ketobutyric acid methyl ester
Methyl2-Oxobutanoate
methyl 2-oxobutyrate
Butanoic acid, 2-oxo-, methyl ester
2-OxobutanoicAcidMethylEster
Butyric acid,2-oxo-,methyl ester

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
146.9±9.0 °C at 760 mmHg

[ Molecular Formula ]:
C5H8O3

[ Molecular Weight ]:
116.115

[ Flash Point ]:
50.6±15.9 °C

[ Exact Mass ]:
116.047340

[ PSA ]:
43.37000

[ LogP ]:
0.05

[ Vapour Pressure ]:
4.5±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.399

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02, GHS08

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H226-H319-H334

[ Precautionary Statements ]:
P261-P305 + P351 + P338-P342 + P311

[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ RIDADR ]:
UN 1993C 3 / PGIII

[ HS Code ]:
2918300090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-Hydroxybutanoic acid methyl ester
  • 2-Hydroxybutanamide
  • 2-Oxobutyric acid
  • Methyl 3-oxopentanoate
  • amino-crotonic acid ethyl ester
  • aminocrotonic acid methyl ester
  • Dimethyl oxalate
  • Ethylmagnesium chloride
  • diazomethane

DownStream

  • methyl 3-methyl-1H-indole-2-carboxylate
  • (R)-(-)-methyl-2-hydroxy-2-methylbutanoate
  • methyl (2S)-2-hydroxy-2-methylbutanoate
  • methyl 3-bromo-2-oxobutanoate

Customs

[ HS Code ]: 2918300090

[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Related Compounds

  • 3-methyl-2-oxobutanoate
  • Ethyl 3-methyl-2-oxobutanoate
  • Sodium 3-methyl-2-oxobutanoate-d7
  • Sodium 3-methyl-2-oxobutanoate-13C,d4
  • Sodium 3-methyl-2-oxobutanoate-13C,d4-1
  • Sodium 3-methyl-2-oxobutanoate-13C4,d3
  • 4-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]hexanoic acid
  • 2-[(3R)-N-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]acetic acid
  • 3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{2-methyl-2,6-diazaspiro[3.4]octan-6-yl}-4-oxobutanoic acid
  • 1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-5-methylpiperidine-3-carboxylic acid
  • 1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoyl]-5-methylpiperidine-3-carboxylic acid
  • 3-[2-cyclobutyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]pentanoic acid
  • 2-[2-cyclobutyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]-2-ethylbutanoic acid
  • 2-({1-[2-cyclobutyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetyl]-3-methylazetidin-3-yl}oxy)acetic acid
  • 4-[2-cyclobutyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylacetamido]oxolane-3-carboxylic acid
  • 3-({3-[benzyl(methyl)amino]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido}methyl)-1-methyl-1H-pyrazole-5-carboxylic acid
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