Home Categories Chemical Reagents Phthalazone
A6847112

Phthalazone , ≥98.0% , 119-39-1

Synonym(s):
Benzo[d]pyridazin-1(2H)one

CAS NO.:119-39-1

Empirical Formula: C8H6N2O

Molecular Weight: 146.15

MDL number: MFCD00006892

EINECS: 204-319-8

Pack Size Price Stock Quantity
25G RMB63.20 In Stock
100G RMB191.20 In Stock
500G RMB767.20 In Stock
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Update time: 2022-07-08

PRODUCT 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)

Description and Uses

Phthalazone is a remarkable scaffold in drug discovery. Also, functions as an oxidative metabolic pathway of lenvatinib mediated by aldehyde oxidase.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319
Precautionary statements  P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330
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,

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