Surfactants - Nonionic Available to Source

Polyoxyethylene Sorbitan Trioleate

Span 80
CAS 26266-57-9 · MF C22H42O6 · MW 402.6 g/mol

Polyoxyethylene Sorbitan Trioleate is a nonionic surfactant. It is derived from sorbitol and oleic acid. Used widely in pharmaceuticals, foods, and cosmetics.

SDS / TDS Download
CAS Number
26266-57-9
Molecular Formula
C22H42O6
Molecular Weight
402.6 g/mol
Material Family
Surfactants - Nonionic
Functional Roles
Physical Properties
solubility
Soluble at temperatures above its melting point in ethanol, methanol, ether, ethyl acetate, aniline, toluene, dioxane, petroleum ether and carbon tetrachloride. Insoluble in cold water but dispersible in warm water
GHS / SDS Safety Warning
Irritant
  • H315 (21.5%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (21.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (20.4%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Chemical Identity
CAS Number26266-57-9
IUPAC Name[(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] hexadecanoate
InChI KeyIYFATESGLOUGBX-YVNJGZBMSA-N
PubChem CID 16212480
INCI NameSORBITAN PALMITATE
Synonyms & Trade Names
Span 40 SORBITAN MONOPALMITATE Arlacel 40 Palmitate de sorbitan Sorbitani palmitas Sorbitan palmitate INS NO.495 INS-495 77K6Z421KU D-Glucitol, 1,4-anhydro-, 6-hexadecanoate 1,4-Anhydro-D-glucitol, 6-hexadecanoate E-495 RefChem:888279 2-(3,4-dihydroxyoxolan-2-yl)-2-hydroxyethyl hexadecanoate Sorbitan, monohexadecanoate
Full Description

Polyoxyethylene Sorbitan Trioleate is a nonionic surfactant. It is derived from sorbitol and oleic acid. Used widely in pharmaceuticals, foods, and cosmetics.