Peroxyacetic acid
[CAS# 79-21-0]

Identification

• Classification: API >> Synthetic anti-infective drugs >> Disinfectant antiseptic
• Name: Peroxyacetic acid
• Synonyms: Peracetic acid; Acetic peroxide; Acetyl hydroperoxide; Ethaneperoxoic acid; Osbon AC
• Molecular Formula: C₂H₄O₃
• Molecular Weight: 76.05
• CAS Registry Number: 79-21-0
• EC Number: 201-186-8

Properties

• Density: 1.13
• Boiling point: 105 °C
• Flash point: 41 °C
• Water solubility: soluble, >=10 g/100 mL at 19 °C

Safety Data

• Hazard Symbols: GHS02;GHS05;GHS07;GHS09 Danger
• Risk Statements: H226-H242-H332-H312-H302-H314-H400
• Safety Statements: S14A;S23;S26;S3/7;S36/37/39;S45;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin corrosion	Skin Corr.	1A	H314
Acute toxicity	Acute Tox.	4	H312
Organic peroxides	Org. Perox.	D	H242
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318
Acute toxicity	Acute Tox.	3	H301
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	2	H330
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	3	H331
Organic peroxides	Org. Perox.	C	H242
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Organic peroxides	Org. Perox.	F	H242
Self-reactive substances or mixtures	Self-react.	C	H242
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	2	H310

• Transport Information: UN 2131