Difference between revisions of "Phenidone"
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[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. | [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 == | == Synonyms and Related Terms == | ||
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1-phenyl-3-pyrazolidone; 1-phenyl-3-pyrazolidinone; Mytol; FX-19 Film Developer; Graphidone | 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: [https://pubchem.ncbi.nlm.nih.gov/compound/Phenidone Datasheet] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Soluble in water, ethanol, dilute acids and alkalis. Slightly soluble in benzene. Insoluble in ether, alkanes. | Soluble in water, ethanol, dilute acids and alkalis. Slightly soluble in benzene. Insoluble in ether, alkanes. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 121 | + | | 121 C |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | + | * Charkit: [http://www.charkit.com/charkitcgi/search.pl Website] | |
| − | + | * Patrick Dignan: [http://www.jackspcs.com/wondphen.htm Phenidone information] | |
| − | |||
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 13:11, 24 August 2022
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
- Charkit: Website
- Patrick Dignan: Phenidone information