3-Hydroxybutanoic acid
[CAS# 300-85-6]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty acid
• Name: 3-Hydroxybutanoic acid
• Synonyms: NSC 3806; beta-Hydroxy-n-butyric acid; beta-Hydroxybutanoic acid; beta-Hydroxybutyric acid
• Molecular Formula: C₄H₈O₃
• Molecular Weight: 104.10
• CAS Registry Number: 300-85-6
• EC Number: 206-099-9

Properties

• Solubility: Freely soluble (505 g/L) (25 ºC), Calc.^*
• Density: 1.195±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 174-175 ºC^**
• Boiling point: 125-130 ºC (8 Torr)^***
• Flash point: 121.0±19.1 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Ivanov, D.; Ann. univ. Sofia, II, Faculte phys.-math. 1937, V33(Livre 2), P177-202(in French 203-11).

^*** Tuerck, Karl H. W.; US 2411700 1946.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315