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1(2H)-Phthalazinone Structure

1(2H)-Phthalazinone

Chemical Properties

Melting point 183-185 °C(lit.)
Boiling point 337°C(lit.)
Density  1.2312 (rough estimate)
refractive index  1.4900 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
pka 12.29±0.20(Predicted)
form  Crystalline Powder
color  Off-white to pale yellow
BRN  3654
InChIKey IJAPPYDYQCXOEF-UHFFFAOYSA-N
CAS DataBase Reference 119-39-1(CAS DataBase Reference)
EPA Substance Registry System 1(2H)-Phthalazinone (119-39-1)

Safety Information

Hazard Codes  Xn
Risk Statements  22-68-36/37/38
Safety Statements  22-24/25-36/37/39-26
WGK Germany  3
RTECS  TH9185000
HazardClass  IRRITANT
HS Code  29339990
Hazardous Substances Data 119-39-1(Hazardous Substances Data)
Toxicity mouse,LD50,intravenous,180mg/kg (180mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00139,

MSDS

Usage And Synthesis

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