Phenidone
Agent Name
Phenidone
Alternative Name
1-Phenyl-3-pyrazolidinone
CAS Number
92-43-3
Formula
C9-H10-N2-O
Major Category
Nitrogen Compounds
Synonyms
1-P-3-P; 1-Phenyl-3-oxopyrazolidine;1-Phenyl-3-pyrazolidone; 2-Pyrazolin-3-ol, 1-phenyl; Fenidon; 1-Phenyl-3-pyrazolidone; 2-Pyrazolin-3-ol, 1-phenyl- (7CI); 3-Pyrazolidinone, 1-phenyl-; [ChemIDplus] UN2811
Category
Pyrazoles
Description
Solid; [Merck Index] White powder; [Alfa Aesar MSDS]
Sources/Uses
Used as a non-staining, high-contrast photographic developer; [Merck Index] Used in photography (developer); [www.ci.tucson.az.us/arthazards/medium.html]
Comments
Phenidone is one of the photographic chemicals in the supplemental patch testing tray sold by Chemotechnique. [Marks, Appendix] An irritant; Harmful by ingestion; [Alfa Aesar MSDS] See "4-Hydroxymethyl-4-methyl-1-phenyl-3-pyrazolidinone."
Biomedical References
Exposure Assessment
Vapor Pressure
1.63E-05 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Toxic solid, organic, n.o.s."
Adverse Effects
Skin Sensitizer
Yes
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: