597716
4,5-Dichloro-2-methyl-3(2H)-pyridazinone
97%
Synonym(s):
4,5-Dichloro-2-methylpyridazin-3-one
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About This Item
Empirical Formula (Hill Notation):
C5H4Cl2N2O
CAS Number:
Molecular Weight:
179.00
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Assay
97%
form
solid
mp
87-91 °C (lit.)
SMILES string
CN1N=CC(Cl)=C(Cl)C1=O
InChI
1S/C5H4Cl2N2O/c1-9-5(10)4(7)3(6)2-8-9/h2H,1H3
InChI key
ACKBTCUMGAHRIE-UHFFFAOYSA-N
Application
4,5-Dichloro-2-methyl-3(2H)-pyridazinone can be used in the synthesis of 4-amino-3(2H)-pyridazinones and 5-amino-3(2H)-pyridazinones via reaction with N-benzylaminoethanol.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
Target Organs
Respiratory system
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
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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"Lipophilicity of regioisomers: a case study on 3 (2H)-pyridazinones"
<BIG>Karolyhazy L, et al.</BIG>
Journal of Molecular Structure: THEOCHEM, 578(01), 89-91 (2002)
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