Methylbutyric acid
- CAS NO.：600-07-7
- Empirical Formula: C5H10O2
- Molecular Weight: 102.13
- MDL number: MFCD00002669
- EINECS: 204-145-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-10-13 16:36:52
What is Methylbutyric acid?
Chemical properties
Colorless liquid. The boiling point is 177°C, 84°C (2.8kPa), the relative density (20/17°C) is 0.938, and the refractive index (nD20) is 1.4055. Soluble in water, ethanol, ether.
The Uses of Methylbutyric acid
Methylbutyric acid can be used as an organic synthesis intermediate.
Definition
ChEBI: 2-methylbutyric acid is a methylbutyric acid comprising a butyric acid core carrying a 2-methyl substituent. Produced from amino acid leucine during nutrient starvation in bacteria. It has a role as a bacterial metabolite and a human metabolite. It is a conjugate acid of a 2-methylbutyrate.
Synthesis
2-Chlorobutane is made into Grignard reagent, which is then reacted with carbon dioxide, and the reaction mixture is hydrolyzed with 25% sulfuric acid to generate Methylbutyric acid. Yield 76-86%.
Properties of Methylbutyric acid
| Melting point: | -70°C |
| Boiling point: | 176-177 °C(lit.) |
| Density | 0.936 g/mL at 25 °C(lit.) |
| vapor pressure | 0.5 mm Hg ( 20 °C) |
| refractive index | n |
| FEMA | 2695 | 2-METHYLBUTYRIC ACID |
| Flash point: | 165 °F |
| pka | 4.8(at 25℃) |
| CAS DataBase Reference | 600-07-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Methylbutyric acid(600-07-7) |
| EPA Substance Registry System | Butanoic acid, 2-methyl-(600-07-7) |
Safety information for Methylbutyric acid
Computed Descriptors for Methylbutyric acid
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