3-Mercaptoisobutyric acid
[CAS# 26473-47-2]

Identification

• Classification: Analytical chemistry >> Standard >> Pharmacopoeia standards and magazine standards
• Name: 3-Mercaptoisobutyric acid
• Synonyms: 3-Mercapto-2-methylpropanoic acid; 3-Mercapto-2-methylpropionic acid
• Molecular Formula: C₄H₈O₂S
• Molecular Weight: 120.17
• CAS Registry Number: 26473-47-2
• EC Number: 247-726-6

Properties

• Solubility: Sparingly soluble (18 g/L) (25 ºC), Calc.^*
• Density: 1.159±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 120-122 ºC (12 Torr)^**
• Flash point: 94.4±22.6 ºC, Calc.^*

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

^** Larsson, Erik; Svensk Kemisk Tidskrift 1943, V55, P168-71.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Serious eye damage	Eye Dam.	1	H318
Reproductive toxicity	Repr.	2	H361