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Imidazole

C₃H₄N₂ · 9 atoms

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Imidazole

Elements

About

1H-imidazole is an imidazole tautomer which has the migrating hydrogen at position 1. It is a conjugate base of an imidazolium cation. It is a conjugate acid of an imidazolide. It is a tautomer of a 4H-imidazole.

Properties

IUPAC name1H-imidazole

CAS number288-32-4

Molar mass68.08 g/mol

Melting point90.5 °C

Boiling point257 °C

Density1.03 g/mL

GHS hazards

CorrosiveIrritantHealth hazard

Sources

Properties: PubChem CID 795
3D structure: PubChem CID 795 (3D conformer)
CAS number: PubChem CID 795
Description: PubChem ← ChEBI
Melting point: PubChem ← DrugBank
Boiling point: PubChem ← DrugBank
Density: PubChem ← ILO-WHO International Chemical Safety Cards (ICSCs)
Hazards: PubChem ← Regulation (EC) No 1272/2008 of the European Parliament and of the Council

Data from PubChem (NIH/NLM). Some annotations originate with the upstream sources shown.