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Lipids and fatty acids

Triolein

Also known as Glyceryl trioleate, Glycerol trioleate, Glycerol triolein

CAS 122-32-7Formula C57H104O6Molar mass 885.45 g/molEC 204-534-7
64 suppliers listed
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Triolein chemical structure, C57H104O6, CAS 122-32-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless to yellowish, oily liquid
Melting point
-4 °C
Boiling point
237 °C
Density
0.915 at 15 °C/4 °C
Solubility
Insoluble in water
HS code
291615
Category
Lipids and fatty acids
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Triolein?

Plain description, key identifiers and synonyms

Triolein is a triglyceride formed by esterification of the three hydroxy groups of glycerol with oleic acid. Triolein is one of the two components of Lorenzo's oil. It has a role as a plant metabolite and a Caenorhabditis elegans metabolite. It is functionally related to an oleic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,3-bis[[(Z)-octadec-9-enoyl]oxy]propyl (Z)-octadec-9-enoate
CAS number
122-32-7 CAS number cross-checked
EC number
204-534-7
Molecular formula
C57H104O6
UNII
O05EC62663
MDL number
MFCD00137563
INCI name
TRIOLEIN
InChIKey
PHYFQTYBJUILEZ-IUPFWZBJSA-N
InChI
InChI=1S/C57H104O6/c1-4-7-10-13-16-19-22-25-28-31-34-37-40-43-46-49-55(58)61-52-54(63-57(60)51-48-45-42-39-36-33-30-27-24-21-18-15-12-9-6-3)53-62-56(59)50-47-44-41-38-35-32-29-26-23-20-17-14-11-8-5-2/h25-30,54H,4-24,31-53H2,1-3H3/b28-25-,29-26-,30-27-
Canonical SMILES
CCCCCCCCC=CCCCCCCCC(=O)OCC(COC(=O)CCCCCCCC=CCCCCCCCC)OC(=O)CCCCCCCC=CCCCCCCCC
Isomeric SMILES
CCCCCCCC/C=C\CCCCCCCC(=O)OCC(OC(=O)CCCCCCC/C=C\CCCCCCCC)COC(=O)CCCCCCC/C=C\CCCCCCCC

Synonyms

  • Glyceryl trioleate
  • Glycerol trioleate
  • Glycerol triolein
  • Oleic triglyceride
  • Oleic acid triglyceride
  • Trioleoylglycerol
  • Trioleoylglyceride
  • Glycerin trioleate
  • Oleyl triglyceride
  • Raoline
  • Aldo TO
  • Glyceryl-1,2,3-trioleate
  • Olein, tri-
  • Emery 2423
  • Emery oleic acid ester 2230
  • Glycerol, tri(cis-9-octadecenoate)
  • 9-Octadecenoic acid (Z)-, 1,2,3-propanetriyl ester
  • TG(18:1(9Z)/18:1(9Z)/18:1(9Z))
  • 2,3-bis[[(Z)-octadec-9-enoyl]oxy]propyl (Z)-octadec-9-enoate
  • 2,3-bis(((Z)-octadec-9-enoyl)oxy)propyl (Z)-octadec-9-enoate
  • Trioleyl Glycerol
  • Trioleate Glycerin
  • Trioleate-Glycerin
  • Glycerol, Trioleyl
  • Trioleate, Glycerol
Show all 38 synonyms
  • Olein
  • 1,2,3-Propanetriyl trioleate
  • Triglyceride OOO
  • Edenor NHTi-G
  • Kaolube 190
  • sn-Glyceryl trioleate
  • 1,2,3-Tri(cis-9-octadecenoyl)glycerol
  • Actor LO 1
  • Kemester 1000
  • Emerest 2423
  • Estol 1433
  • Radia 7363
  • 1,2,3-tri-(9Z-octadecenoyl)-glycerol

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless to yellowish, oily liquidexp.
Odour
Odorlessexp.
Taste
Tastelessexp.
Melting point
-4 °Cexp.
Boiling point
237 °Cexp.
Density
0.915 at 15 °C/4 °Cexp.
Solubility
Insoluble in waterexp.
Vapour pressure
VP: 18 mm Hg at 237 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
885.45 g/molcalc.
Exact mass
884.7833 Dacalc.
LogP (octanol/water)
18.1calc.
Topological polar surface area
78.9 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
50calc.
Heavy atoms
63calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.84calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Triolein suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 64 suppliers
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Where suppliers are based

64 suppliers in 16 countries

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Triolein price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Textile lubricants.

Lubricant, eg, for cosmetics, drugs.

Emulsifier, eg, for water/oil mixtures.

Chemical intermediate for radioactive iodine derivatives.

Industrial uses: Lubricating agent.

Consumer uses: Lubricating agent.

Use classes: Cosmetics, Solvents, Safer Chemical Classes.

Cosmetic ingredient, INCI name TRIOLEIN(skin conditioning, viscosity controlling)

Roles

  • Caenorhabditis elegans metabolite
  • animal metabolite
  • eukaryotic metabolite
  • metabolite
  • nematode metabolite
  • plant metabolite

Functional uses

  • Humectant
  • Softener and conditioner
  • Solvent
  • Thickening agent
  • Viscosity modifier

Cosmetic functions

  • Skin conditioning
  • Viscosity controlling

How it is made

Preparation by esterification of oleic acid.

It is the predominating constituent in expressed almond oil, in lard oil, & in many of the more fluid animal oils & those of vegetable origin. It is separated & purified by cold expression, the other constituents being retained by their lack of fluidity at low temp.

The triglyceride of oleic acid, occurring in most fats and oils. It constitutes 70-80% of olive oil

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • Safer Choice ingredient list (USA)
  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triolein is traded under.

HS 2916.15Indicative HS code

Oleic, linoleic or linolenic acids, their salts and esters

World exports in 2024
$204M
−5.6% vs 2023, imports $199M
2019 to 2024
Top exporters
  1. Italy20.3%
  2. China14.4%
  3. India * partner reported8.0%
Top importers
  1. Germany18.4%
  2. France * partner reported8.7%
  3. China5.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Triolein is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triolein, based on the data on this page

What is Triolein?

Triolein is a triglyceride formed by esterification of the three hydroxy groups of glycerol with oleic acid. Triolein is one of the two components of Lorenzo's oil. It has a role as a plant metabolite and a Caenorhabditis elegans metabolite. It is functionally related to an oleic acid.

What is the CAS number of Triolein?

The CAS registry number of Triolein is 122-32-7.

What is the molecular formula and weight of Triolein?

The molecular formula of Triolein is C57H104O6 and its molar mass is 885.45 g/mol.

What is Triolein used for?

Textile lubricants. Lubricant, eg, for cosmetics, drugs. Emulsifier, eg, for water/oil mixtures. Chemical intermediate for radioactive iodine derivatives. Industrial uses: Lubricating agent. Consumer uses: Lubricating agent. Use classes: Cosmetics, Solvents, Safer Chemical Classes.

Is Triolein hazardous?

No GHS hazard classification for Triolein is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Triolein?

Triolein is usually classified under HS code 291615 (Oleic, linoleic or linolenic acids, their salts and esters). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triolein?

CompoundList lists 64 suppliers of Triolein in United States, China, India, United Kingdom and 12 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Triolein in India?

7 suppliers in India list Triolein on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Triolein?

Suppliers quote Triolein on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Triolein

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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