Phenidone
CAS 92-43-3 · EC 202-155-1 · C9H10N2O
Also known as 1-phenyl-3-pyrazolidinone, 1-phenyl-3-pyrazolidone
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
Harmful or irritant · Hazardous to the environment
- H302 Harmful if swallowed.
- H411 Toxic to aquatic life with long lasting effects.
Photographic uses
- developing agent (Pyrocat-HD, 510-Pyro)