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Pyrogallol

CAS 87-66-1 · EC 201-762-9 · C6H6O3

Also known as pyrogallic acid, 1,2,3-trihydroxybenzene, pyro

Handle chemistry safely

Wear gloves and eye protection, work with good ventilation, and read the supplier’s safety data sheet before use. Hazard information here is a summary, not a replacement for it. Dispose of all photographic chemistry correctly, in line with local laws and your local authority’s guidance. Never mix waste solutions, and check the supplier’s safety data sheet before disposing of anything.

Hazards

Official EU classification (harmonised under CLP Annex VI).

Signal word: Warning

Serious health hazard · Harmful or irritant

  • H341 Suspected of causing genetic defects.
  • H332 Harmful if inhaled.
  • H312 Harmful in contact with skin.
  • H302 Harmful if swallowed.
  • H412 Harmful to aquatic life with long lasting effects.

Photographic uses

  • staining developing agent (PMK, 510-Pyro)
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