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119-39-1

Name 1(2H)-Phthalazinone
CAS 119-39-1
EINECS(EC#) 204-319-8
Molecular Formula C8H6N2O
MDL Number MFCD00006892
Molecular Weight 146.15
MOL File 119-39-1.mol
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Chemical Properties

Appearance Off-white to pale yellow crystalline powder
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)
form  Crystalline Powder
pka 12.29±0.20(Predicted)
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 119-39-1(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
R68:Possible risk of irreversible effects.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
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,

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