Acetic anhydride
[CAS# 108-24-7]

Identification

• Classification: Organic raw materials >> Carboxylic compounds and derivatives >> Halogenation, sulfonation, nitration or nitration of carboxylic anhydrides
• Name: Acetic anhydride
• Synonyms: Acetyl oxide; Ethanoic anhydride
• Molecular Formula: C₄H₆O₃
• Molecular Weight: 102.09
• CAS Registry Number: 108-24-7
• EC Number: 203-564-8

Properties

• Density: 1.087
• Melting point: -73.1 ºC
• Boiling point: 140 ºC
• Refractive index: 1.389-1.391
• Flash point: 54 ºC
• Water solubility: REACTS

Safety Data

• Hazard Symbols: GHS02;GHS05;GHS07 Danger
• Hazard Statements: H226-H332-H302-H314
• Safety Description: S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Serious eye damage	Eye Dam.	1	H318
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	3	H331
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1A	H314
Skin sensitization	Skin Sens.	1	H317
Skin irritation	Skin Irrit.	2	H315

• Transport Information: UN 1715