Phenidone
Revision as of 07:12, 24 July 2013 by (username removed)
Description
[Charkit Chemical] A trademark for a series of photographic developing solutions based on 1-phenyl-3-pyrazolidone. Phenidone is used in high contrast photographic developing solutions.
- Phenidone A: 1-phenyl-1-3-pyrazolidinone
- Phenidone B: 4-methyl-1-phenyl-3-pyrazolidone
Synonyms and Related Terms
1-phenyl-3-pyrazolidone; 1-phenyl-3-pyrazolidinone; Mytol; FX-19 Film Developer; Graphidone
Other Properties
Soluble in water, ethanol, dilute acids and alkalis. Slightly soluble in benzene. Insoluble in ether, alkanes.
Composition | C9H10N2O |
---|---|
CAS | (A) 92-43-3; (B) 2654-57-1 |
Melting Point | 121 |
Molecular Weight | mol. wt. = 162.19 |
Hazards and Safety
Moderately toxic by inhalation and ingestion. Least toxic developer by skin contact.
Additional Information
° Charkit: Website° Patrick Dignan: Phenidone information