1,2-Diphenyl-pyrazolidine-3,5-dione Structure

1,2-Diphenyl-pyrazolidine-3,5-dione

Chemical Properties

Melting point 180-183°C
Boiling point 381℃
Density  1.312
refractive index  1.5906 (estimate)
Flash point 167℃
storage temp.  Sealed in dry,Room Temperature
solubility  Chloroform (Slightly), Methanol (Slightly)
pka 9.96±0.20(Predicted)
form  Crystalline Powder
color  Yellow-beige

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H302-H315-H319-H335
Precautionary statements P261-P305+P351+P338
HS Code  29331900
Toxicity mouse,LD50,oral,574mg/kg (574mg/kg),Medicina et Pharmacologia Experimentalis. Vol. 16, Pg. 536, 1967.
NFPA 704:
1
2 0

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