3-Methylpentanoic acid
3-甲基戊酸
Also known as: 3-Methylvaleric acid, DL-3-Methylvaleric acid, 3-Methyl-n-valeric acid, beta-Methylvaleric acid, FEMA 3437, sec-Butylacetic acid, Anteisohexanoic acid
3-Methylpentanoic acid (CAS 105-43-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H12O2 and a molecular weight of 116.158 g/mol. It is also known as 3-Methylvaleric acid, DL-3-Methylvaleric acid and 3-Methyl-n-valeric acid. Key properties include a melting point of -41 °C, a boiling point of 199.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 85.0±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 105-43-1
- Jingsj CID
- J-36292-2
- Molecular Formula
- C6H12O2
- Chinese Name
- 3-甲基戊酸
- Molecular Weight
- 116.158 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -41 °C |
|---|---|
| Boiling Point | 199.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 85.0±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 3-Methylpentanoic acid?
The CAS number of 3-Methylpentanoic acid is 105-43-1.
What are the molecular formula and molecular weight of 3-Methylpentanoic acid?
3-Methylpentanoic acid has molecular formula C6H12O2 and molecular weight 116.158 g/mol.
Is 3-Methylpentanoic acid hazardous?
3-Methylpentanoic acid has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylpentanoic acid (CAS 105-43-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36292-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.