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Skin conditioning agents and actives

Hydroxyundecanoic acid

Also known as 10-hydroxyundecanoic acid, Undecanoic acid, 10-hydroxy-, 10-hydroxy-undecanoic acid

CAS 6336-28-3Formula C11H22O3Molar mass 202.29 g/mol
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Hydroxyundecanoic acid chemical structure, C11H22O3, CAS 6336-28-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6336-28-3
Formula
C11H22O3
Molar mass
202.29 g/mol
HS code
291819
Category
Skin conditioning agents and actives

What is Hydroxyundecanoic acid?

Plain description, key identifiers and synonyms

(10R)-10-hydroxyundecanoic acid is an (1)-hydroxy fatty acid that is undecanoic acid in which the 10-pro-R hydrogen is replaced by a hydroxy group. It is a medium-chain fatty acid and an (omega-1)-hydroxy fatty acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
10-hydroxyundecanoic acid
CAS number
6336-28-3 CAS number cross-checkedOther or deprecated CAS: 35005-52-8
Molecular formula
C11H22O3
UNII
X2TE94NE7R
INCI name
HYDROXYUNDECANOIC ACID
InChIKey
UHZWUNLTEZCDMA-UHFFFAOYSA-N
InChI
InChI=1S/C11H22O3/c1-10(12)8-6-4-2-3-5-7-9-11(13)14/h10,12H,2-9H2,1H3,(H,13,14)
SMILES (canonical and isomeric)
CC(CCCCCCCCC(=O)O)O

Synonyms

  • 10-hydroxyundecanoic acid
  • Undecanoic acid, 10-hydroxy-
  • 10-hydroxy-undecanoic acid
  • (+/-)-Hydroxyundecanoic acid
  • Hydroxyundecanoic acid, (+/-)-
  • (10R)-10-hydroxyundecanoic acid
  • (+)-10-Hydroxyundecanoic acid
  • (-)-10-hydroxyundecanoic acid
  • (-)-10-hydroxyhendecanoic acid
  • (10R)-10-hydroxyhendecanoic acid
  • (10R)-(-)-10-hydroxyundecanoic acid
  • (10R)-(-)-10-hydroxyhendecanoic 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
202.29 g/molcalc.
Exact mass
202.1569 Dacalc.
LogP (octanol/water)
2.57calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
9calc.
Heavy atoms
14calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.91calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 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.

Hydroxyundecanoic acid suppliers

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Hydroxyundecanoic acid 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

Cosmetic ingredient, INCI name HYDROXYUNDECANOIC ACID(skin conditioning)

Functional uses

  • Softener and conditioner

Cosmetic functions

  • Skin conditioning

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 Hydroxyundecanoic acid is traded under.

HS 2918.19Indicative HS code

Carboxylic acids with alcohol function but without other oxygen function, their…

World exports in 2024
$1.37B
+0.5% vs 2023, imports $1.18B
2019 to 2024
Top exporters
  1. China23.7%
  2. Italy14.7%
  3. India * partner reported12.0%
Top importers
  1. Germany11.7%
  2. South Korea9.8%
  3. Italy9.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Hydroxyundecanoic acid?

(10R)-10-hydroxyundecanoic acid is an (1)-hydroxy fatty acid that is undecanoic acid in which the 10-pro-R hydrogen is replaced by a hydroxy group. It is a medium-chain fatty acid and an (omega-1)-hydroxy fatty acid.

What is the CAS number of Hydroxyundecanoic acid?

The CAS registry number of Hydroxyundecanoic acid is 6336-28-3. Other or deprecated CAS numbers: 35005-52-8.

What is the molecular formula and weight of Hydroxyundecanoic acid?

The molecular formula of Hydroxyundecanoic acid is C11H22O3 and its molar mass is 202.29 g/mol.

What is Hydroxyundecanoic acid used for?

Known uses and roles of Hydroxyundecanoic acid include skin conditioning agents in cosmetics and personal care, skin conditioning and softener and conditioner.

Is Hydroxyundecanoic acid hazardous?

No GHS hazard classification for Hydroxyundecanoic 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 Hydroxyundecanoic acid?

Hydroxyundecanoic acid is usually classified under HS code 291819 (Carboxylic acids with alcohol function but without other oxygen function, their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hydroxyundecanoic acid?

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

What is the price of Hydroxyundecanoic acid?

Suppliers quote Hydroxyundecanoic 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 Hydroxyundecanoic 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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