(S)-(+)-2-Methylbutyric acid
Also known as: (S)-2-Methylbutanoic acid, (S)-2-Methylbutyric acid, (+)-2-Methylbutanoic acid, Butanoic acid, 2-methyl-, (2S)-, (S)-(+)-2-Methylbutanoic acid
(S)-(+)-2-Methylbutyric acid (CAS 1730-91-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.13200 g/mol. Key properties include a melting point of -55℃, a boiling point of 78ºC15 mm Hg(lit.),175.3ºC at 760 mmHg, a density of 0.938 and a flash point of 73ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1730-91-2
- Jingsj CID
- J-37407-2
- Molecular Formula
- C5H10O2
- Molecular Weight
- 102.13200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -55℃ |
|---|---|
| Boiling Point | 78ºC15 mm Hg(lit.),175.3ºC at 760 mmHg |
| Density | 0.938 |
| Flash Point | 73ºC |
| Exact Mass | 102.06800 |
| PSA | 37.30000 |
| LogP | 1.11710 |
| Vapor Pressure | 0.554mmHg at 25°C |
| Refractive Index | 1.4041-1.4061 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (S)-(+)-2-Methylbutyric acid?
The CAS number of (S)-(+)-2-Methylbutyric acid is 1730-91-2.
What are the molecular formula and molecular weight of (S)-(+)-2-Methylbutyric acid?
(S)-(+)-2-Methylbutyric acid has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.
Is (S)-(+)-2-Methylbutyric acid hazardous?
(S)-(+)-2-Methylbutyric acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of (S)-(+)-2-Methylbutyric acid?
For (S)-(+)-2-Methylbutyric acid, Upstream Products: Tiglic acid, (S)-(-)-2-Methyl-1-butanol, L-Isoleucine; Downstream Products: Methyl (2S)-2-methylbutanoate, 2,3-DIMETHYL-2-PENTENE, Benzyl tiglate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(+)-2-Methylbutyric acid (CAS 1730-91-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37407-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.