757675
2,4,5-Trichloro-3(2H)-pyridazinone
96%
Synonym(s):
2,4,5-Trichloro-2,3-dihydropyridazin-3-one, 2,4,5-Trichloro-2H-pyridazin-3-one
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About This Item
Empirical Formula (Hill Notation):
C4HCl3N2O
CAS Number:
Molecular Weight:
199.42
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Assay
96%
form
powder
mp
144-150 °C
functional group
chloro
SMILES string
ClN1N=CC(Cl)=C(Cl)C1=O
InChI
1S/C4HCl3N2O/c5-2-1-8-9(7)4(10)3(2)6/h1H
InChI key
TYVNCWJMACHFGT-UHFFFAOYSA-N
Application
Electrophilic chlorinating reagent, particully effective for the chlorination of bithiophenes
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Oral
Storage Class Code
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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2-Chloropyridazin-3(2H)-ones as Electrophilic Chlorinating Agents: Effective a-Chlorination of Active Methylene/Methine Compounds
Yong-Dae P.; et al.
Synthesis, 7, 1136-1140 (2005)
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