P57204
Pyridazine
98%
Synonym(s):
1,2-Diazabenzene, 1,2-Diazine, o-Diazine
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Assay
98%
refractive index
n20/D 1.524 (lit.)
bp
208 °C (lit.)
mp
−8 °C (lit.)
density
1.103 g/mL at 25 °C (lit.)
SMILES string
c1ccnnc1
InChI
1S/C4H4N2/c1-2-4-6-5-3-1/h1-4H
InChI key
PBMFSQRYOILNGV-UHFFFAOYSA-N
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General description
Pyridazine is a mono-basic 1,2-diazine compound, which is commonly prepared by the reaction of 1,4-dicarbonyls with hydrazines. Pyridazine ring is found in many herbicides like credazine, pyridatol and many pharmaceutical drugs like cefozopran, olaparib, talazoparib, and cadralazine.
Application
Pyridazine can be used:
- As a building block to synthesize N-phenyl-4-pyrazolo[1,5-b]pyridazin-3-yl-pyrimidin-2-amine derivatives as GSK-3 inhibitors.
- As a starting material in the synthesis of pharmacologically important pyrrolo[1,2-b]pyridazine derivatives.
- To prepare 1-(6-ethoxy-6-oxohexyl)pyridazin-1-ium bromide and 1-(2-bromoacetyl) pyridazinium bromide ionic liquids as corrosion inhibitors of steel under acidic conditions.
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
185.0 °F - closed cup
Flash Point(C)
85 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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