Synonym(s): Azole; Divinylenimine; Imidole
Empirical Formula: C4H5N
Linear Formula: C4H5N
Formula Weight: 67.09
MDL Number: MFCD00005216
Purity: ≥98%
Boiling Point: 131 °C(lit.)
Melting Point: −23 °C(lit.)
Density: 0.967 g/mL at 25 °C(lit.)
Refractive Index: n20/D 1.508(lit.)
Beilstein Registry Number: 1159
Signal Word: Danger
Hazard statements: H226-H301-H318-H332
Precautionary statements: P280-P301 + P310-P305 + P351 + P338
Risk Statements (Europe): 10-20-25-41
Safety Statements (Europe): 26-37/39-45
Hazard Codes (Europe): T