D-(-)-3-Acetylthio-2-methylpropionic acid
[CAS# 76497-39-7]

Identification

• Name: D-(-)-3-Acetylthio-2-methylpropionic acid
• Synonyms: D-(-)-S-Acetyl-beta-mercaptoisobutyric acid
• Molecular Formula: C₆H₁₀O₃S
• Molecular Weight: 162.20
• CAS Registry Number: 76497-39-7
• EC Number: 278-480-8

Properties

• Density: 1.178
• Melting point: 5 ºC
• Boiling point: 120-132 ºC (1 mmHg)
• Refractive index: 1.488-1.49
• Flash point: 162 ºC
• alpha: -46 º (c=1, 96% EtOH)
• Water solubility: INSOLUBLE

Safety Data

• Hazard Symbols: T
• Risk Codes: R24/25;R36
• Safety Description: S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Serious eye damage	Eye Dam.	1	H318
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335