Pyridazine
Properties
- Molecular formula
- C4H4N2
- Molar mass
- 80.09 g/mol
- Exact mass
- 80.0374 Da
- Density
- 1.1054 g/mL (at 20 °C)
- Melting point
- −8 °C
- Boiling point
- 208 °C
- logP
- 0.48Crippen estimate
- Polar surface area
- 25.8 Ų
- H-bond donors / acceptors
- 0 / 2
- Rotatable bonds
- 0
Hazards
Warning
- H302 Harmful if swallowed20% of notifiers
- H315 Causes skin irritation100% of notifiers
- H319 Causes serious eye irritation100% of notifiers
- H335 May cause respiratory irritation100% of notifiers
Aggregated from 5 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Identifiers
CAS number
289-80-5SMILES
c1ccnnc1InChIKey
PBMFSQRYOILNGV-UHFFFAOYSA-NInChI
InChI=1S/C4H4N2/c1-2-4-6-5-3-1/h1-4HWeigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
4 names
- 1,2-Diazabenzene
- 1,2-Diazine
- o-Diazine
- NSC 90792
Work with Pyridazine
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern
Similar compounds
Pyridine110-86-142 % similar
Pyridinium hydrobromide18820-82-133 % similar
Hydrofluoric acid pyridine complex32001-55-133 % similar
Poly(pyridine fluoride)62778-11-433 % similar
Pyridinium chloride628-13-733 % similar
3-Chloropyridazine1120-95-230 % similar
3-Methylpyridazine1632-76-430 % similar
3(2H)-Pyridazinone504-30-330 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds