이 원료는 글리세린과 하이드록시스테아릭애씨드의 다이에스터이며 주로 다음의 구조를 갖는다.

12-Hydroxyoctadecanoic Acid, 2-Hydroxy-1,3-Propanediyl,2-Hydroxy-1,3-Propanediyl 12-Hydroxyoctadecanoate,2'-Hydroxy-1',3'-propylene 12-hydroxystearate,Hydroxystearic Acid, Diester with 1,2,3-Propanetriol,Octadecanoic Acid, 12-Hydroxy-, 2-Hydroxy-1,3-Propanediyl Ester: Glyceryl Dihydroxystearate is a diester of glycerin and hydroxystearic acid.

本品は、ヒドロキシステアリン酸（＊）とグリセリン（＊）のジエステルであり、次の化学式で表される。