Sorbitan sesquioleate, also known as SSO, is synthesized by the esterification of sorbitan with oleic acid. At room temperature, it is in the form of a yellow viscous liquid. Sorbitan sesquioleate in cosmetics is a W/O emulsifier with an HLB value of 3.7. It is soluble in ethanol, ethyl acetate, petroleum, and toluene. 

CAS NO.: 8007 43 0

MOLECULAR FORMULA: C33H60O6.5

MOLECULAR WEIGHT: 560.8

Sorbitan Sesquioleate HLB Value: 3.7

Technical Information of Sorbitan Sesquioleate

According to Q/GDRH 006-2020, other parameters over the sorbitan sesquioleate hlb are available upon request.

Parameters Unit Standard value

Acid value mg KOH/g ≤14.0

Saponification value mg KOH/g 143~165

Hydroxyl value mg KOH/g 182~220

Moisture w/% ≤1.5

Sorbitan Sesquioleate Uses

At present, sorbitan sesquioleate is widely used as emulsifiers in cosmetics, explosives, textile, and printing industries. It can effectively act as an emulsifier, stabilizer, lubricant, thickener, etc. Among all the uses of sorbitan sesquioleate, its use in cosmetics is most prominent. Our sorbitan sesquioleate is now widely used in a variety of personal care and cosmetic products, including, skin-care products, body cleansing products, makeup, sunscreen, etc. Regarded as a low-hazard ingredient by the EWG's Skin Deep Cosmetic Database, sesquioleate is believed to be a quite safe skin soother and moisturizer if it is used at moderate doses.

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