英文名称：PyridineCAS号：110-86-1分子式：C5H5N分子量：79.1EINECS号：203-809-9

熔点 -42 °C沸点 96-98 °C(lit.)
密度 0.983 g/mL at 20 °C
蒸气密度2.72 (vs air)
蒸气压23.8 mm Hg ( 25 °C)
折射率 n20/D 1.509(lit.)
FEMA 2966 | PYRIDINE闪点 68 °F
储存条件 Store at RT.溶解度 H2O: in accordance形态Liquid酸度系数(pKa)5.25(at 25℃)颜色colorless气味 (Odor)Nauseating odor detectable at 0.23 to 1.9 ppm (mean = 0.66 ppm)相对极性0.302PH值8.81 (H2O, 20℃)爆炸极限值(explosive limit)12.4%水溶解性 Miscible凝固点 -42℃最大波长(λmax)λ: 305 nm Amax: 1.00
λ: 315 nm Amax: 0.15
λ: 335 nm Amax: 0.02
λ: 350-400 nm Amax: 0.01Merck 14,7970BRN 103233暴露限值TLV-TWA 5 ppm (～15 mg/m³) (ACGIH, MSHA,and OSHA); STEL 10 ppm (ACGIH), IDLH 3600 ppm (NIOSH).稳定性Stable. Flammable. Incompatible with strong oxidizing agents, strong acids.InChIKeyJUJWROOIHBZHMG-UHFFFAOYSA-N

危险性符号(GHS)
GHS02,GHS06,GHS08,GHS07警示词Danger危险性描述H302-H312-H332-H225-H301-H311-H331-H370-H302+H312+H332-H315-H319防范说明P210-P260-P280-P301+P310-P311-P305+P351+P338-P261-P302+P352+P312-P304+P340+P312-P337+P313-P403+P235-P370+P378-P303+P361+P353-P304+P340-P501a危险品标志 T,N,F,Xn危险类别码 11-20/21/22-39/23/24/25-23/24/25-52-36/38安全说明 36/37/39-38-45-61-28A-26-28-24/25-22-36/37-16-7危险品运输编号 UN 1282 3/PG 2
WGK Germany 2
RTECS号UR8400000
F 3-10自燃温度482 °CHazard Note Highly Flammable/HarmfulTSCA Yes海关编码 2933 31 00HazardClass 3PackingGroup II毒性LD50 orally in rats: 1.58 g/kg (Smyth)