Phenidone

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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

Risks

  • Moderately toxic by inhalation and ingestion.
  • Least toxic developer by skin contact.
  • NIH: Datasheet

Physical and Chemical 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 C
Molecular Weight mol. wt. = 162.19

Resources and Citations

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