Surfactants
REACH
Sorbitan monododecanoate
CAS Number
1338-39-2
EC Number
215-663-3
E Number
E493
What is Sorbitan monododecanoate?
Sorbitan monododecanoate (CAS 1338-39-2), also known as Sorbitan monolaurate and approved as E493, is a sorbitan ester derived from sorbitol and lauric acid.
Where is Sorbitan monododecanoate used?
- Food: E493 stabilizes emulsions in bakery coatings and confectionery
- Pharmaceutical: emulsifier for topical creams, ointments and oral preparations
- Personal care: emulsion stability in lotions, sunscreens and hair conditioners
- Textile and leather: fiber lubricant and softening agent in finishing
- It is often combined with polysorbates to reach target HLB values.
Good to know: Food-grade material conforms to E493; pharmaceutical grades meet USP/NF and Ph. Eur. monographs. Technical grade is offered for industrial textile and leather use where food or pharma compliance is not required.
Other Names (Synonyms)
[(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate|Sorbitan monolaurate|E493
What are the physical properties of Sorbitan monododecanoate?
Boiling Point 401.18°C (rough estimate)
Density 1.032 g/cm³ @ Temp: 25 °C
Flash Point >230 °F
Appearance Liquid
Color Clear amber colour
Form Liquid
Water Solubility Soluble in 2-ethoxyethanol, ethanol and methanol. Not miscible or difficult to mix in water.
Vapor Pressure <1.3 hPa (20 °C)
Refractive Index n 20/D 1.474(lit.)
Log P 3.366 (est)
Which trade and regulatory codes apply to Sorbitan monododecanoate?
HS Code 34021300
Storage Class 10 - Combustible liquids
WGK (Germany) 1