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ChemicalBook--->CAS DataBase List--->137-44-0

137-44-0

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137-44-0 Structure

137-44-0 Structure
IdentificationBack Directory
[Name]

1,3,5PYRAZOLONE
[CAS]

137-44-0
[Synonyms]

NSC 243823
5-PYRAZOLONE
1,3,5PYRAZOLONE
2-Pyrazolin-5-one
1H-pyrazol-5(4H)-one
2,4-Dihydro-pyrazol-3-one
3H-Pyrazol-3-one, 2,4-dihydro-
[Molecular Formula]

C3H2N2O
[MDL Number]

MFCD03454067
[MOL File]

137-44-0.mol
[Molecular Weight]

82.0608
Chemical PropertiesBack Directory
[Melting point ]

268℃
[Boiling point ]

143-144℃ (0.3 Torr)
[density ]

1.44±0.1 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,Room Temperature
[form ]

powder to lump
[pka]

13.06±0.20(Predicted)
[color ]

White to Light yellow
[CAS DataBase Reference]

137-44-0
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319
[Precautionary statements ]

P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
[HS Code ]

2933.19.9000
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