Sorbitan Monolaurate
Sorbitan esters and Polysorbates as nonionic offer many advantages over ionic surfactants including increase stability, enhance flexibility and provide wider compatibility. They are stable in mild acids, alkalis and electrolytes and do not react with ionic ingredients or actives.
Sorbitan monolaurate, also known as sorbitan laurate/SML, is synthesized by the esterification of sorbitan with lauric acid. It has a molecular formula of C18H34O6. At room temperature, monolaurate de sorbitane is a yellow to amber viscous liquid or soft paste. sorbitan monolaurate HLB has an HLB value of 8.6, it is a W/O emulsifier. It acts as an emulsifier in pharmaceutical and cosmetics formulations, and it not only acts as an emulsifier but also as a wetting agent in the textile industry.
CAS NO.: 1338 39 2
ENO.: E 493
MOLECULAR FORMULA: C18H34O6
MOLECULAR WEIGHT: 346.45
Technical Information of Sorbitan Monolaurate Uses and Sorbitan Laurate Uses
According to GB25551-2010, other parameters are available upon request.
Parameters |
Unit |
Standard value |
Fatty acid |
w/% |
56~68 |
Sorbitol |
w/% |
36~49 |
Acid value |
mgKOH/g |
≤7.0 |
Saponification value |
mg KOH/g |
155~170 |
Hydroxyl value |
mg KOH/g |
330~360 |
Moisture |
w/% |
≤1.5 |
Residue on ignition |
w/% |
≤0.5 |
Arsenic |
mg/kg |
≤3 |
Pb |
mg/kg |
≤2 |
Advantages of Sorbitan Monolaurate
- Good emulsifying, stabilizing, lubricating, and dispersing properties
- Lipophilic property
- Sorbitan monolaurate is suitable for use in isopropanol, mineral oil, liquid paraffin based formulation
- Sorbitan monolaurate span 20 can be used in the food, pharmaceutical, feed, and textile industries.
Sorbitan Laurate In Cosmetics
Synthesized by the esterification of laurato de sorbitan acid, the sorbitan monolaurate is widely used as W/O emulsifier, stabilizer, lubricants, plasticizers, and desiccant in the medical and cosmetic industry. With the right use, sorbitan monolaurate can work perfectly as both cleansing agents and emulsifiers. However, it should be noted that the overuse of sorbitan monolaurate (amounts above 5%) may lead to unpleasant skin irritations.
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Martes 05 diciembre 2023
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Polysorbate 81, also known as polyoxyethylene (5) sorbitan monooleate, consists of sorbitol, ethylene oxide, and oleic acid. It has a molecular formula of C34H64O11. At room temperature, it is in the form of a pale-yellow orange oily liquid. It is an O/W emulsifier with an HLB value of 10...
GUANGDONG RUNHUA CHEMISTRY CO., LTD.
- 513058 - Guangdong
- 020 87568805
- 86 020 87568805