植物生化提取物
CAS号:473-98-3
品名:桦木醇betulin
中文别名:桦木脑;Lup-20(29)-ene-3β,28-diol;白桦脂醇;
英文别名:TROCHOL;betulacamphor;Betulin;BETULOL;BETULINOL;Lup-20(29)-ene-3b,28-diol;Lup-20(29)-ene-3,28-diol,(3β)-;
分子式:C30H50O2
分子量:442.717
精确质量:442.381
Psa:40.46
RTECS号:OK5755000
MDL号:MFCD00016802
外观与性状:白色结晶粉末
密度:1.017g/cm3
沸点:522.3ºC at 760mmHg
熔点:256-257°C(lit.)
闪点:210.9ºC
折射率:1.5186
稳定性:Stable under recommended storage conditions. Material is air and moisture sensitive.
储存条件:2-8ºC
蒸汽压:4.32E-13mmHg at 25°C
安全说明:S36/37-S36-S26
危险类别码:R36/37/38
WGK Germany:3
海关编码:29181985
危险品标志:Xi
信号词:Warning
危险性防范说明:P260
危险标志:GHS08
危险性描述:H371
简介:Betulin(lup-20(29)-ene-3β,28-diol)isanabundant,naturallyoccurringtriterpene.Itiscommonlyisolatedfromthebarkofbirchtreeswhereitformsupto30%ofthedryweightoftheextractiveandisfoundinbirchsapaswell.Thepurposeofthecompoundinthebarkisnotknown.Itcanbeconvertedtobetulinicacid(thealcoholgroupreplacedbyacarboxylicacidgroup),whichisbiologicallymoreactivethanbetulinitself.