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Emollients

Diolein

Also known as [(2S)-3-hydroxy-2-[(E)-octadec-9-enoyl]oxypropyl] (E)-octadec-9-enoate, di-oleoylglycerol, ((2S)-3-hydroxy-2-((E)-octadec-9-enoyl)oxypropyl) (E)-octadec-9-enoate

CAS 25637-84-7Formula C39H72O5Molar mass 621.00 g/mol
3 suppliers listed
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Diolein chemical structure, C39H72O5, CAS 25637-84-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
25637-84-7
Formula
C39H72O5
Molar mass
621.00 g/mol
HS code
291615
Category
Emollients

What is Diolein?

Plain description, key identifiers and synonyms

Diolein is a chemical substance with the molecular formula C39H72O5 and a molar mass of 621.00 g/mol. Its CAS registry number is 25637-84-7. The IUPAC name is [(2S)-3-hydroxy-2-[(E)-octadec-9-enoyl]oxypropyl] (E)-octadec-9-enoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(2S)-3-hydroxy-2-[(E)-octadec-9-enoyl]oxypropyl] (E)-octadec-9-enoate
CAS number
25637-84-7 CAS number cross-checked
Molecular formula
C39H72O5
INCI name
GLYCERYL DIOLEATE
InChIKey
AFSHUZFNMVJNKX-BIJVAZSDSA-N
InChI
InChI=1S/C39H72O5/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38(41)43-36-37(35-40)44-39(42)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h17-20,37,40H,3-16,21-36H2,1-2H3/b19-17+,20-18+/t37-/m0/s1
Canonical SMILES
CCCCCCCCC=CCCCCCCCC(=O)OCC(CO)OC(=O)CCCCCCCC=CCCCCCCCC
Isomeric SMILES
CCCCCCCC/C=C/CCCCCCCC(=O)OC[C@H](CO)OC(=O)CCCCCCC/C=C/CCCCCCCC

Synonyms

  • [(2S)-3-hydroxy-2-[(E)-octadec-9-enoyl]oxypropyl] (E)-octadec-9-enoate
  • di-oleoylglycerol
  • ((2S)-3-hydroxy-2-((E)-octadec-9-enoyl)oxypropyl) (E)-octadec-9-enoate
  • oleic acid diglyceride
  • (+--)-1,2-diolein
  • (+--)-1,2-dioleoylglycerol
  • Dioleoylglycerol
  • (2S)-1-hydroxy-3-(octadec-9-enoyloxy)propan-2-yl octadec-9-enoate
  • 9-Octadecenoic acid (9Z)-, 1,1'-[(1S)-1-(hydroxymethyl)-1,2-ethanediyl] ester
  • [(2S)-3-hydroxy-2-[(E)-octadec-9-enoyl]oxy-propyl] (E)-octadec-9-enoate
  • (E)-Octadec-9-enoic acid (S)-1-hydroxymethyl-2-((E)-octadec-9-enoyloxy)-ethyl ester
  • Octadec-9-enoic acid 1-hydroxymethyl-2-octadec-9-enoyloxy-ethyl ester(DIOLEIN)

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
621.00 g/molcalc.
Exact mass
620.538 Dacalc.
LogP (octanol/water)
11.51calc.
Topological polar surface area
72.83 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
34calc.
Heavy atoms
44calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.85calc.
Formal charge
0calc.
Stereocentres
1calc.
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.

Diolein suppliers

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

All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 2 countries

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Diolein price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Cosmetics.

Cosmetic ingredient, INCI name GLYCERYL DIOLEATE(skin conditioning - emollient)

Functional uses

  • Lubricating agent
  • Softener and conditioner

Cosmetic functions

  • Skin conditioning - emollient

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • 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 Diolein 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 Diolein is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Diolein?

Diolein is a chemical substance with the molecular formula C39H72O5 and a molar mass of 621.00 g/mol. Its CAS registry number is 25637-84-7. The IUPAC name is [(2S)-3-hydroxy-2-[(E)-octadec-9-enoyl]oxypropyl] (E)-octadec-9-enoate.

What is the CAS number of Diolein?

The CAS registry number of Diolein is 25637-84-7.

What is the molecular formula and weight of Diolein?

The molecular formula of Diolein is C39H72O5 and its molar mass is 621.00 g/mol.

What is Diolein used for?

Use classes: Cosmetics.

Is Diolein hazardous?

No GHS hazard classification for Diolein 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 Diolein?

Diolein 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 Diolein?

CompoundList lists 3 suppliers of Diolein in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Diolein in India?

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

What is the price of Diolein?

Suppliers quote Diolein 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 Diolein

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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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