1-(3-Chlorophenyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one Structure

1-(3-Chlorophenyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one

Chemical Properties

Melting point 128-131 °C(lit.)
Boiling point 382.9±25.0 °C(Predicted)
Density  1.32±0.1 g/cm3(Predicted)
pka 2.18±0.50(Predicted)
form  crystalline solid
color  Cream
CAS DataBase Reference 90-31-3(CAS DataBase Reference)
FDA UNII 76806T6L7I
EPA Substance Registry System 3H-Pyrazol-3-one, 2-(3-chlorophenyl)-2,4-dihydro-5-methyl- (90-31-3)

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H302+H312+H332-H315-H319-H335
Precautionary statements P260-P280
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
TSCA  TSCA listed
HS Code  2933119000
NFPA 704:
1
2 0

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