pharmaceutical secondary standard; traceable to USP
Synonym(s): Pyridine
Empirical Formula: C5H5N
Formula Weight: 79.10
Linear Formula: C5H5N
MDL Number: MFCD00011732
Boiling Point: 115 °C(lit.)
Melting Point: −42 °C(lit.)
Density: 0.978 g/mL at 25 °C(lit.)
Refractive Index: n20/D 1.509(lit.)
Beilstein Registry Number: 103233
Signal Word: Danger
Hazard statements: H225-H302 + H312 + H332-H315-H319
Precautionary statements: P210-P280-P305 + P351 + P338
Hazard Codes (Europe) : F,Xn
Risk Statements (Europe): 11-20/21/22-36/38-52
Safety Statements (Europe): 26-28
WGK Germany: 2