吡啶
CAS号:108-89-4
品名:4-甲基吡啶4-methylpyridine
中文别名:4-皮考林;γ-甲基吡啶;4-哌可啉;
英文别名:picoline-4;p-Picoline;GAMMAP;g-picoline;4''-methylpyridine;4-PICOLINE;4-methylPyr;Pyridine,4-methyl-;4-Methylpyridine;
分子式:C6H7N
分子量:93.1265
精确质量:93.0578
Psa:12.89
RTECS号:UT5425000
BRN号:104586
EINECS号:203-626-4
MDL号:MFCD00006440
PubChem号:24854384
外观与性状:无色液体
密度:0.957g/mLat 25°C(lit.)
沸点:145°C(lit.)
熔点:2.4°C(lit.)
闪点:134°F
折射率:n20/D 1.504(lit.)
稳定性:Stable under normal temperatures and pressures. Hygroscopic: absorbs moisture or water from the air.
储存条件:包装完整、轻装轻放,库房通风、远离明火、高温、与氧化剂、酸分开存放
蒸汽压:6.465mmHg at 25°C
安全说明:S26-S36-S45
危险类别码:R10; R20/22; R24; R36/37/38
WGK Germany:1
海关编码:29333955
危险品运输编码:UN 1992 3/PG 3
危险类别:3
包装等级:III
危险品标志:T
信号词:Danger
危险性防范说明:P261; P280; P305 + P351 + P338; P312
危险标志:GHS02, GHS06
危险性描述:H226; H302 + H332; H311; H315; H319; H335
简介:4-MethylpyridineistheorganiccompoundwiththeformulaCH3C5H4N.Itisoneofthethreeisomersofmethylpyridine.Thispungentliquidisabuildingblockforthesynthesisofotherheterocycliccompounds.Itsconjugateacid,the4-methylpyridiniumion,hasapKaof5.98,about0.7unitsabovethatofpyridineitself.
用途:用于生产药物异烟肼,解毒药双复磷和双解磷,也用于杀虫剂;染料;橡胶助剂和合成树脂的生产。用于制备异菸酸、异菸肼、杀虫剂、合成树脂、橡胶硫化促进剂等。也可作溶剂使用。