Naphthalene
CAS 91-20-3 · C10H8
Hazard classWarning — Health hazard, Irritant / harmful, Environmental hazard
PictogramsHealth hazardIrritant / harmfulEnvironmental hazard
H-statements- H351 Suspected of causing cancer
- H302 Harmful if swallowed
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Common uses (US EPA CDR)SolventFuelIntermediateFuel agentsProcessing aids not otherwise specifiedSurfactant (surface active agent)
Workplace exposure limitsNIOSH REL TWA 10 ppm (50 mg/m3) ST 15 ppm (75 mg/m3)
OSHA PEL TWA 10 ppm (50 mg/m3)
IDLH 250 ppmOccupational exposure limits — NIOSH Pocket Guide.
Synonymsnaphthalene · 91-20-3 · Naphthalin · Tar camphor · White tar · Albocarbon · Naphthene · Camphor tar
Molecular weight128.17 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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