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Emollients

Ximenynic acid

Also known as Ximeninic acid, Santalbic acid, (E)-Octadec-11-en-9-ynoic acid

CAS 557-58-4Formula C18H30O2Molar mass 278.44 g/molEC 209-179-1
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Ximenynic acid chemical structure, C18H30O2, CAS 557-58-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
557-58-4
Formula
C18H30O2
Molar mass
278.44 g/mol
EC number
209-179-1
HS code
291615
Category
Emollients

What is Ximenynic acid?

Plain description, key identifiers and synonyms

Ximenynic acid is a long-chain fatty acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-octadec-11-en-9-ynoic acid
CAS number
557-58-4
EC number
209-179-1
Molecular formula
C18H30O2
UNII
IA0Z48P13W
INCI name
XYMENYNIC ACID
InChIKey
VENIIVIRETXKSV-BQYQJAHWSA-N
InChI
InChI=1S/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h7-8H,2-6,11-17H2,1H3,(H,19,20)/b8-7+
Canonical SMILES
CCCCCCC=CC#CCCCCCCCC(=O)O
Isomeric SMILES
CCCCCC/C=C/C#CCCCCCCCC(=O)O

Synonyms

  • Ximeninic acid
  • Santalbic acid
  • (E)-Octadec-11-en-9-ynoic acid
  • Xymenynic acid
  • trans-11-Octadecen-9-ynoic acid
  • 11E-octadecen-9-ynoic acid
  • Hydror il
  • 11-octadecen-9-ynoic acid
  • 11-Octadecen-9-ynoic acid, (E)-
  • (11E)-octadec-11-en-9-ynoic acid
  • Agonandoic acid
  • Ximeninic acid, AldrichCPR
  • trans-11-octa-decen-9-ynoic acid
  • 11-Octadecen-9-ynoic acid, (11E)-
  • Acetylenic acids, 11-Octadecen-9-ynoic acid, (E)-, Santalbic acid, trans-11-Octadecen-9-ynoic acid, Ximeninic acid, Agonandoic acid

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
278.44 g/molcalc.
Exact mass
278.2246 Dacalc.
LogP (octanol/water)
5.33calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
12calc.
Heavy atoms
20calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.72calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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.

Ximenynic acid suppliers

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Ximenynic acid price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name XYMENYNIC ACID(skin conditioning - emollient, skin conditioning)

Cosmetic functions

  • Skin conditioning
  • Skin conditioning - emollient

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Ximenynic acid 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 Ximenynic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ximenynic acid, based on the data on this page

What is Ximenynic acid?

Ximenynic acid is a long-chain fatty acid.

What is the CAS number of Ximenynic acid?

The CAS registry number of Ximenynic acid is 557-58-4.

What is the molecular formula and weight of Ximenynic acid?

The molecular formula of Ximenynic acid is C18H30O2 and its molar mass is 278.44 g/mol.

What is Ximenynic acid used for?

Known uses and roles of Ximenynic acid include emollients in cosmetics and personal care, skin conditioning agents in cosmetics and personal care, skin conditioning and skin conditioning - emollient.

Is Ximenynic acid hazardous?

No GHS hazard classification for Ximenynic acid 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 Ximenynic acid?

Ximenynic acid 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 Ximenynic acid?

Post a free request on CompoundList and suppliers of Ximenynic acid will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Ximenynic acid?

Suppliers quote Ximenynic acid 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 Ximenynic acid

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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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