1,2-dihydroxybenzene; pyrocatechol
CAS 120-80-9 · C6H6O2
Hazard classDanger — Health hazard, Toxic
PictogramsHealth hazardToxic
H-statements- H350 May cause cancer
- H341 Suspected of causing genetic defects
- H311 Toxic in contact with skin
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Common uses (US EPA CDR)Intermediate
Workplace exposure limitsNIOSH REL TWA 5 ppm (20 mg/m3) [skin]
OSHA PEL none
IDLH N.D.Occupational exposure limits — NIOSH Pocket Guide.
Synonymscatechol · pyrocatechol · 1,2-dihydroxybenzene · 1,2-benzenediol · benzene-1,2-diol · pyrocatechin · 2-hydroxyphenol · o-Dihydroxybenzene
Molecular weight110.11 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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