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CAS号:110-86-1
英文名称:Pyridine
英文同义词:AA;PY;PYR;cp32;Azine;Piridina;Pirydyna;PYRIDINE;FEMA 2966;FEMA 2932
中文名称:吡啶
中文同义词:蒜醇;吡啶;氮环;吖嗪;氮杂苯;杂氮苯;超干吡啶;吡啶原料;色谱吡啶;除水吡啶
分子式:C5H5N
分子量:79.1
熔点:-42 °C (lit.)
沸点:115 °C (lit.)
密度:0.978 g/mL at 25 °C (lit.)
蒸气密度:2.72 (vs air)
蒸气压:23.8 mm Hg ( 25 °C)
折射率:n
FEMA:2966 | PYRIDINE
闪点:68 °F
储存条件:Store at +5°C to +30°C.
溶解度:H2O: in accordance
酸度系数(pKa):5.25(at 25℃)
形态:Liquid
颜色:colorless
PH值:8.81 (H2O, 20℃)
气味 (Odor):Nauseating odor detectable at 0.23 to 1.9 ppm (mean = 0.66 ppm)
相对极性:0.302
嗅觉阈值(Odor Threshold):0.063ppm
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: 0.01
Merck:14,7970
BRN:103233
Henry's Law Constant:18.4 at 30 °C (headspace-GC, Chaintreau et al., 1995)
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.
InChIKey:JUJWROOIHBZHMG-UHFFFAOYSA-N
CAS 数据库:110-86-1(CAS DataBase Reference)
NIST化学物质信息:Pyridine(110-86-1)
(IARC)致癌物分类:2B (Vol. 77, 119) 2019
EPA化学物质信息:Pyridine (110-86-1)