Span 20 can be obtained by the reaction of sorbitan anhydride and lauric acid, and is used as a gas chromatography stationary liquid, a tail reducer, an emulsifier, and a wetting agent for the carrier.
基本信息
英文名:
Span 20
CAS号.:
1338-39-2
别名:
(R)-1-((2S,3R,4S)-3,4-Dihydroxytetrahydrofuran-2-yl)-2-hydroxyethyl dodecanoate;
emsorb2515;
SPAN NO 20;
Sorbitan laurate,Sorbitan monolaurate;
Sorbitan M;
分子式:
C18H34O6
分子量:
346.45900
PSA:
96.22000
LogP:
1.93200
物化属性
外观:
Liquid, Clear amber colour
密度:
1.032 g/mL at 25 °C(lit.)
熔点:
沸点:
516.1ºC at 760mmHg
闪点:
>230 °F
储存条件:
Keep tightly closed in a cool place in a tightly closed container.