Phenidone

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Phenidone
IUPAC name 1-phenyl-3-pyrazolidinone
Identifiers
CAS number [92-43-3]
EINECS number 202-155-1
SMILES O=C1CCN(N1)c2ccccc2
Properties
Molecular formula C9H10N2O
Molar mass 162.19
Appearance Crystal leaflets or needles
Melting point

121 °C, 394 K, 250 °F

Solubility in water 10 g/100 ml at 100 °C
Solubility in ethanol 10 g/100 ml (hot)
Solubility in diethyl ether practically insoluble
Hazards
MSDS External MSDS
Main hazards Harmful if swallowed
R-phrases R20 R22
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Phenidone (1-phenyl-3-pyrazolidinone) is an organic chemical compound whose primary use is as a photographic developer. It has five to ten times the developing power as Metol. It also has low toxicity and, unlike some other developers, does not cause dermatitis upon skin contact.[1]

[edit] Preparation

Phenidone is prepared by heating phenyl hydrazine with 3-chloropropionioc acid.[1]

[edit] References

  1. ^ a b Merck Index of Chemicals and Drugs, 9th ed. monograph 7115