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1-Phenyl-4-methyl-3-pyrazolidone Structure

1-Phenyl-4-methyl-3-pyrazolidone

Chemical Properties

Melting point 133-136 °C
Boiling point 307.83°C (rough estimate)
Density  1.1102 (rough estimate)
vapor pressure  0.001Pa at 25℃
refractive index  1.7110 (estimate)
storage temp.  Sealed in dry,2-8°C
solubility  soluble in Methanol
form  powder to crystal
pka 9.54±0.70(Predicted)
color  White to Light yellow
Water Solubility  754.801mg/L at 30℃
LogP 0.624 at 25℃
CAS DataBase Reference 2654-57-1(CAS DataBase Reference)
FDA UNII 59MUO871OM
EPA Substance Registry System 3-Pyrazolidinone, 4-methyl-1-phenyl- (2654-57-1)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H302
Precautionary statements P264-P270-P301+P312+P330-P501
Hazard Codes  Xn,N
Risk Statements  22-43-51/53
Safety Statements  24/25
RIDADR  2811
HazardClass  6.1(b)
PackingGroup  III
HS Code  29331990
NFPA 704:
0
2 0

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