Jingsj
.mol.sdf

(S)-(+)-2-Hydroxy-3-methylbutyric acid

(S)-(+)-2-羟基-3-甲基丁酸

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. It is also known as (S)-2-Hydroxy-3-methylbutanoic acid, L-α-Hydroxyisovaleric acid and L-Valic acid. 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17407-55-5
Jingsj CID
J-17439-4
Molecular Formula
C5H10O3
Chinese Name
(S)-(+)-2-羟基-3-甲基丁酸
Molecular Weight
118.131 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point68-70ºC(lit.)
Boiling Point237.6±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point111.8±16.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

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.

Data compiled from public chemical databases 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-17439-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.