(S)-(+)-2-Hydroxy-3-methylbutyric acid
Also known as: (S)-2-Hydroxy-3-methylbutanoic acid, L-α-Hydroxyisovaleric acid, L-Valic acid, 2-Hydroxy-3-methylbutyric acid, 3-Methyl-2-hydroxybutanoic acid, UNII:02X1W97FWN, MFCD00066443, CHEBI:60631
(S)-(+)-2-Hydroxy-3-methylbutyric acid (CAS 17407-55-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O3 and a molecular weight of 118.131 g/mol. Key properties include a melting point of 68-70ºC(lit.), a boiling point of 237.6±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 111.8±16.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17407-55-5
- Jingsj CID
- J-17439-0
- Molecular Formula
- C5H10O3
- Molecular Weight
- 118.131 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 68-70ºC(lit.) |
|---|---|
| Boiling Point | 237.6±13.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 111.8±16.3 °C |
| Exact Mass | 118.062996 |
| PSA | 57.53000 |
| LogP | 0.18 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.455 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 other carboxylic acids with alcohol 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% |
Frequently Asked Questions
What is the CAS number of (S)-(+)-2-Hydroxy-3-methylbutyric acid?
The CAS number of (S)-(+)-2-Hydroxy-3-methylbutyric acid is 17407-55-5.
What are the molecular formula and molecular weight of (S)-(+)-2-Hydroxy-3-methylbutyric acid?
(S)-(+)-2-Hydroxy-3-methylbutyric acid has molecular formula C5H10O3 and molecular weight 118.131 g/mol.
Is (S)-(+)-2-Hydroxy-3-methylbutyric acid hazardous?
(S)-(+)-2-Hydroxy-3-methylbutyric acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of (S)-(+)-2-Hydroxy-3-methylbutyric acid?
For (S)-(+)-2-Hydroxy-3-methylbutyric acid, Upstream Products: L-Valine, 3-Methyl-2-oxobutanoic acid; Downstream Products: (S)-tert-Butyl 2-hydroxy-3-methylbutanoate, (S)-Methyl 2-hydroxy-3-methylbutanoate, D-Valine methyl ester hydrochloride.
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-Hydroxy-3-methylbutyric acid (CAS 17407-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17439-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.