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⚫ | ImageFileL1=Pyridazine numbering.png
| ImageAlt = Skeletal formula with numbering convention
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|IUPACName=Pyridazine |IUPACName=Pyridazine
|OtherNames=1,2-diazine, orthodiazine, oizine |OtherNames=1,2-diazine, orthodiazine, oizine

Revision as of 10:36, 25 March 2013

Pyridazine
Skeletal formula with numbering convention
Pyridazine molecule
C=black, H=white, N=blue
Pyridazine molecule
C=black, H=white, N=blue
Names
IUPAC name Pyridazine
Other names 1,2-diazine, orthodiazine, oizine
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.005.478 Edit this at Wikidata
PubChem CID
RTECS number
  • GY2390000
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C4H4N2/c1-2-4-6-5-3-1/h1-4HKey: PBMFSQRYOILNGV-UHFFFAOYSA-N
  • InChI=1/C4H4N2/c1-2-4-6-5-3-1/h1-4HKey: PBMFSQRYOILNGV-UHFFFAOYAA
SMILES
  • c1ccnnc1
Properties
Chemical formula C4H4N2
Molar mass 80.09 g/mol
Appearance colorless liquid
Density 1.107 g/cm
Melting point −8 °C (18 °F; 265 K)
Boiling point 208 °C (406 °F; 481 K)
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Pyridazine is a heteroaromatic organic compound with the molecular formula C4H4N2, sometimes called 1,2-diazine. It contains a six-membered ring with two adjacent nitrogen atoms. It is a colorless liquid with a boiling point of 208 °C.

Pyridazine has no household use. It is mainly used in research and industry as building block for more complex compounds. The pyridazine structure is found within a number of herbicides such as credazine, pyridafol and pyridate. It is also found within the structure of several pharmaceutical drugs such as cefozopran, cadralazine, minaprine, pipofezine, hydralazine, and cilazapril.

References

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