3-Methyl-2-oxobutanoic acid
3-甲基-2-氧丁酸
Also known as: 2-oxoisovaleric acid, 2-ketoisovaleric acid, α-ketoisovaleric acid, α-oxoisovaleric acid, dimethylpyruvic acid, isopropylglyoxylic acid, ketovaline, α-oxo-β-methylbutyric acid, α-keto-β-methylbutyric acid, 3-methyl-2-oxo-butanoic acid
3-Methyl-2-oxobutanoic acid (CAS 759-05-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O3 and a molecular weight of 116.115 g/mol. It is also known as 2-oxoisovaleric acid, 2-ketoisovaleric acid and α-ketoisovaleric acid. Key properties include a boiling point of 170.2±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 71.0±15.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 759-05-7
- Jingsj CID
- J-1962374-2
- Molecular Formula
- C5H8O3
- Chinese Name
- 3-甲基-2-氧丁酸
- Molecular Weight
- 116.115 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 170.2±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 71.0±15.2 °C |
Frequently Asked Questions
What is the CAS number of 3-Methyl-2-oxobutanoic acid?
The CAS number of 3-Methyl-2-oxobutanoic acid is 759-05-7.
What are the molecular formula and molecular weight of 3-Methyl-2-oxobutanoic acid?
3-Methyl-2-oxobutanoic acid has molecular formula C5H8O3 and molecular weight 116.115 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methyl-2-oxobutanoic acid (CAS 759-05-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962374-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.