Glycerol trioleate

CAS Number
122-32-7
EC Number
204-534-7

What is Glycerol trioleate?

Glycerol trioleate (CAS 122-32-7), also known as Triolein or glyceryl trioleate, is a triglyceride ester derived from glycerol and oleic acid.

Where is Glycerol trioleate used?

  • Lubricants and metalworking fluids: base oil component or friction modifier for film-forming lubrication under moderate load
  • Personal care: emollient in skin creams, hair conditioners and body oils for moisture retention
  • Food: reference standard for fat analysis and functional lipid ingredient in nutritional formulations targeting specific fatty acid profiles
  • Specialty formulations: emulsifier and dispersing agent for controlled lipid delivery
  • It functions as a lubricant, emulsifier, and moisturizing agent.

Commercial specifications

  • Purity levels commonly ranging from 65% to 99%+ depending on the intended application
  • Technical grade for industrial and lubricant applications; high-purity grades suitable for food, nutritional, and cosmetic use

Other Names (Synonyms)

Glyceryl trioleate|2,3-bis[[(z)-octadec-9-enoyl]oxy]propyl (Z)-octadec-9-enoate|Triolein

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What are the physical properties of Glycerol trioleate?

Melting Point 24.82 °C
Boiling Point 235-240 °C @ Press: 15 Torr
Density 0.915 g/cm³ @ Temp: 15 °C
Flash Point 330 °C
Appearance colourless viscous liquid
Color Clear Pale Yellow
Form Liquid
Refractive Index n 20/D 1.470
Log P 23.444 (est)

Which trade and regulatory codes apply to Glycerol trioleate?

HS Code 29161500
UN Number 1282
ADR Class 3
Packing Group II
Storage Class 10 - Combustible liquids
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