Butyric anhydride
[CAS# 106-31-0]

Identification

• Classification: Organic raw materials >> Carboxylic compounds and derivatives >> Halogenation, sulfonation, nitration or nitration of carboxylic anhydrides
• Name: Butyric anhydride
• Synonyms: Butanoic anhydride
• Molecular Formula: C₈H₁₄O₃
• Molecular Weight: 158.19
• CAS Registry Number: 106-31-0
• EC Number: 203-383-4

Properties

• Density: 0.963
• Melting point: -73 ºC
• Boiling point: 195 ºC
• Refractive index: 1.412-1.414
• Flash point: 82 ºC
• Water solubility: Decomposes

Safety Data

• Hazard Symbols: C
• Risk Codes: R34
• Safety Description: S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Skin corrosion	Skin Corr.	1C	H314
Substances or mixtures corrosive to metals	Met. Corr.	1	H290

• Transport Information: UN 2739