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Sorbitan tristearate

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Sorbitan tristearate
Names
IUPAC name Octadecanoic acid -4-hydroxy-3-tetrahydrofuranyl] ester
Other names
  • Sorbitan trioctadecanoate
  • E492
  • Anhydrosorbitan tristearate
  • Anhydrosorbitol tristearate
  • Span 65
Identifiers
CAS Number
3D model (JSmol)
ECHA InfoCard 100.043.523 Edit this at Wikidata
EC Number
  • 247-891-4
E number E492 (thickeners, ...)
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1/C60H114O8/c1-4-7-10-13-16-19-22-25-28-31-34-37-40-43-46-49-56(62)65-53-55(67-57(63)50-47-44-41-38-35-32-29-26-23-20-17-14-11-8-5-2)60-59(54(61)52-66-60)68-58(64)51-48-45-42-39-36-33-30-27-24-21-18-15-12-9-6-3/h54-55,59-61H,4-53H2,1-3H3/t54-,55?,59+,60-/m1/s1
SMILES
  • CCCCCCCCCCCCCCCCCC(=O)OCC(1((CO1)O)OC(=O)CCCCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCCCC
Properties
Chemical formula C60H114O8
Molar mass 963.54 g/mol
Appearance Waxy solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒verify (what is  ?) Infobox references
Chemical compound

Sorbitan tristearate is a nonionic surfactant. It is variously used as a dispersing agent, emulsifier, and stabilizer, in food and in aerosol sprays. As a food additive, it has the E number E492. Brand names for polysorbates include Alkest, Canarcel, and Span. The consistency of sorbitan tristearate is waxy; its color is light cream to tan.

See also

References

  1. Sorbitan Tristearate, Joint Expert Committee on Food Additives
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