CAS号:100-79-8
品名:丙酮缩甘油DL-1,2-Isopropylideneglycerol
中文别名:(+,-)-2,2-二甲基-4-羟基-1,3-二恶烷;
英文别名:Solketal;(±)-2,2-Dimethyl-1,3-dioxolane-4-methanol;1,2-Isopropylidene-rac-glycerol;(±)-2,2-Dimethyl-4-hydroxymethyl-1,3-dioxolane;2,2-Dimethyl-4-hydroxymethyl-1,3-dioxolane;1,2-Isopropylideneglycerol;1,2-O-Isopropylideneglycerol;1,3-Dioxolane-4-methanol,2,2-dimethyl-;2,2-Dimethyl-1,3-dioxolane-4-methanol;
分子式:C6H12O3
分子量:132.158
精确质量:132.079
Psa:38.69
RTECS号:JI0400000
BRN号:104465
EINECS号:202-888-7
MDL号:MFCD00063238
外观与性状:透明无色液体
密度:1.063
沸点:188-189ºC
闪点:80ºC
折射率:1.433-1.435
稳定性:Stable under normal temperatures and pressures.
储存条件:2-8ºC
蒸汽压:0.164mmHg at 25°C
安全说明:S24/25
危险类别码:R36/37/38
WGK Germany:2
海关编码:29329970
危险品标志:Xi
简介:Solketalisaprotectedformofglycerolwithanisopropylideneacetalgroupjoiningtwoneighboringhydroxylgroups.Solketalcontainsachiralcenteronthecentercarbonoftheglycerolbackbone,andsocanbepurchasedaseithertheracemateorasoneofthetwoenantiomers.Solketalhasbeenusedextensivelyinthesynthesisofmono-,di-andtriglyceridesbyesterbondformation.Thefreehydroxylgroupsofsolketalcanbeesterifiedwithacarboxylicacidtoformtheprotectedmonoglyceride,wheretheisopropylenegroupcanthenberemovedusinganacidcatalystinaqueousoralcoholicmedium.Theunprotecteddiolcanthenbeesterifiedfurthertoformeitherthedi-ortriglyceride.
用途:可作为鲨肝醇的中间体,也可用作万能溶剂、增塑剂、药用辅料(助溶剂、悬浮剂)。