Sorbitan Trioleate
Sorbitan trioleate, also known as STO, is synthesized by the esterification of sorbitan with oleic acid. It has a molecular formula of C60H108O8. At room temperature, it is in the form of a pale-yellow viscous liquid. It is a W/O emulsifier with a span 85 hlbvalue of 1.8. It is soluble in mineral and vegetable oil. Its functions include emulsification for cosmetics and personal care products; lubrication, dispersant, and softener for textiles; and anti-rusting for oil extraction.
CAS NO.: 26266 58 0
MOLECULAR FORMULA: C
MOLECULAR WEIGHT: 957.46
Technical information of sorbitan trioleate span 85
According to Q/GDRH 007-2020, other parameters are available upon request.
ParametersUnit |
Unit |
Standard value |
Acid value |
mg KOH/g |
≤15.0 |
Saponification value |
mg KOH/g |
165~180 |
Hydroxyl value |
mg KOH/g |
60~80 |
Moisture |
w/% |
≤1.5 |
Advantages of Sorbitan Trioleate
Sorbitan trioleate is widely used in cosmetic products, personal care products, and industrial products
Store in a cool, dry place in tightly sealed packages, away from heat and light
Can be used in cosmetic, pharmaceutical and industry
Store in a cool, dry place in tightly sealed packages, away from heat and light
If you want to know more about sorbitan fatty acid esters, please visit our website.
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