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Potassium hydroxystearate

Also known as Potassium 12-hydroxystearate, Octadecanoic acid, 12-hydroxy-, potassium salt (1:1), (+-)-Potassium hydroxystearate

CAS 34326-46-0Formula C18H35KO3Molar mass 338.57 g/molEC 608-971-8
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Potassium hydroxystearate chemical structure, C18H35KO3, CAS 34326-46-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
34326-46-0
Formula
C18H35KO3
Molar mass
338.57 g/mol
EC number
608-971-8
HS code
291819
Category
Soaps and metal soaps

What is Potassium hydroxystearate?

Plain description, key identifiers and synonyms

Potassium hydroxystearate is a chemical substance with the molecular formula C18H35KO3 and a molar mass of 338.57 g/mol. Its CAS registry number is 34326-46-0. The IUPAC name is potassium 12-hydroxyoctadecanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium 12-hydroxyoctadecanoate
CAS number
34326-46-0
EC number
608-971-8
Molecular formula
C18H35KO3
UNII
21BAV0FPAX
INCI name
POTASSIUM HYDROXYSTEARATE
InChIKey
IFQCEOKSFPQHTD-UHFFFAOYSA-M
InChI
InChI=1S/C18H36O3.K/c1-2-3-4-11-14-17(19)15-12-9-7-5-6-8-10-13-16-18(20)21;/h17,19H,2-16H2,1H3,(H,20,21);/q;+1/p-1
SMILES (canonical and isomeric)
CCCCCCC(CCCCCCCCCCC(=O)[O-])O.[K+]

Synonyms

  • Potassium 12-hydroxystearate
  • Octadecanoic acid, 12-hydroxy-, potassium salt (1:1)
  • (+-)-Potassium hydroxystearate
  • Potassium hydroxystearate, (+-)-
  • (+/-)-Potassium hydroxystearate
  • Potassium hydroxystearate, (+/-)-
  • Octadecanoic acid, 12-hydroxy-, monopotassium salt
  • Potassium 12-hydroxyoctadecanoate

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
338.57 g/molcalc.
Exact mass
338.2223 Dacalc.
LogP (octanol/water)
0.97calc.
Topological polar surface area
60.36 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
16calc.
Heavy atoms
22calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.94calc.
Formal charge
0calc.
Stereocentres
1calc.
Components
2calc.
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.

Potassium hydroxystearate suppliers

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Potassium hydroxystearate 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 POTASSIUM HYDROXYSTEARATE(surfactant - cleansing)

Cosmetic functions

  • Surfactant - cleansing

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

Frequently asked questions

Quick answers about Potassium hydroxystearate, based on the data on this page

What is Potassium hydroxystearate?

Potassium hydroxystearate is a chemical substance with the molecular formula C18H35KO3 and a molar mass of 338.57 g/mol. Its CAS registry number is 34326-46-0. The IUPAC name is potassium 12-hydroxyoctadecanoate.

What is the CAS number of Potassium hydroxystearate?

The CAS registry number of Potassium hydroxystearate is 34326-46-0.

What is the molecular formula and weight of Potassium hydroxystearate?

The molecular formula of Potassium hydroxystearate is C18H35KO3 and its molar mass is 338.57 g/mol.

What is Potassium hydroxystearate used for?

Known uses and roles of Potassium hydroxystearate include surfactants and cleansing agents in cosmetics and personal care, surfactants in home care and cleaning and surfactant - cleansing.

Is Potassium hydroxystearate hazardous?

No GHS hazard classification for Potassium hydroxystearate 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 Potassium hydroxystearate?

Potassium hydroxystearate 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 Potassium hydroxystearate?

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

What is the price of Potassium hydroxystearate?

Suppliers quote Potassium hydroxystearate 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 Potassium hydroxystearate

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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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