Pyrocatechol
[CAS# 120-80-9]

Identification

• Classification: Organic raw materials >> Alcohols, phenols, phenolic compounds and derivatives >> Phenol and its halogenated, sulfonated, nitrated or nitrosated derivatives
• Name: Pyrocatechol
• Synonyms: 1,2-Benzenediol; 1,2-Dihydroxybenzene; Catechol
• Molecular Formula: C₆H₆O₂
• Molecular Weight: 110.11
• CAS Registry Number: 120-80-9
• EC Number: 204-427-5

Properties

• Melting point: 103-106 °C
• Boiling point: 245 °C
• Flash point: 131 °C
• Water solubility: 430 g/L (20 °C)

Safety Data

• Hazard Symbols: GHS08;GHS06 Danger
• Risk Statements: H350-H341-H311-H301-H315-H319
• Safety Statements: S22;S26;S37

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	3	H301
Germ cell mutagenicity	Muta.	2	H341
Carcinogenicity	Carc.	1B	H350
Skin sensitization	Skin Sens.	1	H317
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	4	H332
Skin sensitization	Skin Sens.	1B	H317
Acute toxicity	Acute Tox.	3	H331
Carcinogenicity	Carc.	2	H351
Skin sensitization	Skin Sens.	1A	H317
Specific target organ toxicity - single exposure	STOT SE	1	H370
Reproductive toxicity	Repr.	2	H361
Specific target organ toxicity - single exposure	STOT SE	3	H335
Carcinogenicity	Carc.	1B	H350i
Eye irritation	Eye Irrit.	2A	H319
Carcinogenicity	Carc.	1A	H350

• Transport Information: UN 2811