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ChemicalBook >> CAS DataBase List >>1,2-Benzenediol

1,2-Benzenediol

1,2-Benzenediol Structure
1,2-Benzenediol structure
CAS No.
120-80-9
Chemical Name:
1,2-Benzenediol
Synonyms
CBNumber:
CB01096736
Molecular Formula:
C6H6O2
Molecular Weight:
110.11
MDL Number:
MOL File:
120-80-9.mol
Last updated:2026-05-27 17:22:36
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1,2-Benzenediol Properties

Melting point 105 °C
Boiling point 245.5 °C
Density 1.344 g/cm3
pka 9.50±0.10(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Skull and Crossbones (GHS06)Health Hazard (GHS08)
GHS05,GHS06,GHS08
Signal word  Danger
Hazard statements  H301+H311-H315-H317-H318-H341-H350
Precautionary statements  P202-P261-P280-P301+P310-P302+P352+P312-P305+P351+P338
RIDADR  2811
HazardClass  6.1
PackingGroup  III

1,2-Benzenediol Chemical Properties,Uses,Production

Definition

ChEBI: Catechol is a benzenediol comprising of a benzene core carrying two hydroxy substituents ortho to each other. It has a role as a genotoxin, an allelochemical and a plant metabolite. It is a conjugate acid of a catecholate(1-).

1,2-Benzenediol Preparation Products And Raw materials

Raw materials

Preparation Products

C6H6O2