Melting point :119-121 °C(lit.)
Boiling point :288.88°C (rough estimate)
Density :1.1436 (rough estimate)
vapor pressure :0.002Pa at 25℃
refractive index :1.5600 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :methanol: 0.1 g/mL, clear
form :White to off-white solid.
pka :9.50±0.30(Predicted)
color :White to Light yellow to Light orange
Water Solubility :SOLUBLE IN HOT WATER
Merck :14,7309
BRN :131856
Stability :Stable, but light sensitive. Incompatible with strong acids, strong oxidizing agents, strong bases.
LogP :0.119 at 25℃
CAS DataBase Reference :92-43-3(CAS DataBase Reference)
NIST Chemistry Reference :1-Phenyl-3-pyrazolidinone(92-43-3)
EPA Substance Registry System :3-Pyrazolidinone, 1-phenyl- (92-43-3)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P391 Collect spillage. Hazardous to the aquatic environment P501 Dispose of contents/container to..…