(2R)-3-Methyl-2-hydroxybutanoic acid
[CAS# 17407-56-6]

Identification

• Name: (2R)-3-Methyl-2-hydroxybutanoic acid
• Synonyms: (R)-(-)-2-Hydroxyisovaleric acid; (R)-2-Hydroxy-3-methylbutanoic acid; (R)-2-Hydroxy-3-methylbutyric acid; (R)-2-Hydroxyisovaleric acid; D-alpha-Hydroxyisovaleric acid
• Molecular Formula: C₅H₁₀O₃
• Molecular Weight: 118.13
• CAS Registry Number: 17407-56-6
• EC Number: 605-705-2

Properties

• Solubility: Freely soluble (181 g/L) (25 ºC), Calc.^*
• Density: 1.136±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 69.5-70 ºC^**
• Boiling point: 237.6±13.0 ºC (760 Torr), Calc.^*
• Flash point: 111.8±16.3 ºC, Calc.^*

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

^** Plattner, Pl. A.; Helvetica Chimica Acta 1948, V31, P2192-2203.

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
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335