Hazard classDanger — Corrosive, Health hazard, Environmental hazard
PictogramsCorrosiveHealth hazardEnvironmental hazard
H-statements- H318 Causes serious eye damage
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H317 May cause an allergic skin reaction
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Common uses (US EPA CDR)Intermediate
SynonymsTETRACHLOROPHTHALIC ANHYDRIDE · Niagathal · Tetrathal · 1,3-Isobenzofurandione, 4,5,6,7-tetrachloro- · 4,5,6,7-Tetrachloro-1,3-isobenzofurandione · 4,5,6,7-Tetrachloro-2-benzofuran-1,3-dione · Phthalic anhydride, tetrachloro- · 1,3-Dioxy-4,5,6,7-tetrachloroisobenzofuran
Molecular weight285.9 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.