(S)-2-Hydroxybutyric acid

(S)-2-羟基丁酸

Also known as: (2S)-2-Hydroxybutanoic acid, (2S)-2-Hydroxybutyric acid, (2S)-2-hydroxybutanoic acid, (S)-(+)-2-Hydroxybutanoic acid, (S)-2-HYDROXYBUTYRIC, (S)-2-Hydroxybutanoic acid, (S)-2-Hydroxybutyrate, (S)-ALPHA-HYDROXYBUTYRIC ACID, 2-Hydroxybutyrate, 2-hydroxybutyric acid, 2S-Hydroxybutanoic acid, Butanoic acid, 2-hydroxy-, (2S)-, Hydroxybutyric acid, L-2-HYDROXYBUTYRIC ACID, L-2-hydroxybutanoic acid, L-2-hydroxybutyric acid, L-α-hydroxybutanoic acid, L-α-hydroxybutyric acid, MFCD01318568, S-2-hydroxybutyric acid

CAS No.
3347-90-8
Jingsj CID
J-8513-7
Molecular Formula
C4H8O3
Chinese Name
(S)-2-羟基丁酸
Molecular Weight
104.104 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point50-54ºC
Boiling Point238.3±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point112.2±16.3 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of (S)-2-Hydroxybutyric acid?

3347-90-8

What are the molecular formula and molecular weight of (S)-2-Hydroxybutyric acid?

C4H8O3, molecular weight 104.104 g/mol

Is (S)-2-Hydroxybutyric acid hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026