Sorbitan Trioleate
Sorbitan trioleate, also known as STO, is synthesized by the esterification of sorbitanwith 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 an HLB value 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: C60H108O8
- MOLECULAR WEIGHT: 957.46
Technical Information of Sorbitan Trioleate
According to Q/GDRH 007-2020, other parameters are available upon request.
|
Parameters |
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 span 85
Span 85 surfactantis widely used in cosmetic products, personal care products, and industrial products
Can be used in cosmetic, pharmaceutical and industry
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Sorbitan Trioleate | Sorbitan trioleate, also known as STO, is synthesized by the esterification of sorbitanwith oleic acid. It has a molecular formula of C60H108O8. At... |
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Sorbitan Tristearate | Sorbitan tristearate, also known as STS, is synthesized by the esterification of sorbitan with stearic acid. It has a molecular formula of C60H112O... |
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Sorbitan Esters | Sorbitan ester surfactantare nonionic lipophilic surfactants that are commonly used as water-in-oil (W/O) emulsifiers and stabilizers. Sorbitan fat... |
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Polysorbate 81 | Polysorbate 81, also known as polyoxyethylene (5) sorbitan monooleate, consists of sorbitol, ethylene oxide, and oleic acid. It has a molecular for... |
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Polysorbate 61 | Polysorbate 61, also known as polyoxyethylene (4) sorbitan monostearate consists of sorbitol, ethylene oxide, and stearic acid. It has a molecular ... |
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