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Anionic surfactants

Potassium oleylmethyltauride

Also known as Potassium 2-[(9Z)-N-methyloctadec-9-enamido]ethane-1-sulfonate

CAS 130976-49-7Formula C21H40KNO4SMolar mass 441.72 g/molEC 682-167-5
GHS signal word: Danger. Pictograms: Corrosive, Hazardous to the environment
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Potassium oleylmethyltauride chemical structure, C21H40KNO4S, CAS 130976-49-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
130976-49-7
Formula
C21H40KNO4S
Molar mass
441.72 g/mol
EC number
682-167-5
HS code
340239
Category
Anionic surfactants

What is Potassium oleylmethyltauride?

Plain description, key identifiers and synonyms

Potassium oleylmethyltauride is a chemical substance with the molecular formula C21H40KNO4S and a molar mass of 441.72 g/mol. Its CAS registry number is 130976-49-7. The IUPAC name is potassium 2-[methyl-[(Z)-octadec-9-enoyl]amino]ethanesulfonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium 2-[methyl-[(Z)-octadec-9-enoyl]amino]ethanesulfonate
CAS number
130976-49-7 CAS number cross-checked
EC number
682-167-5
Molecular formula
C21H40KNO4S
InChIKey
XLXRNHIXPJCVKI-GMFCBQQYSA-M
InChI
InChI=1S/C21H41NO4S.K/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-21(23)22(2)19-20-27(24,25)26;/h10-11H,3-9,12-20H2,1-2H3,(H,24,25,26);/q;+1/p-1/b11-10-;
Canonical SMILES
CCCCCCCCC=CCCCCCCCC(=O)N(C)CCS(=O)(=O)[O-].[K+]
Isomeric SMILES
CCCCCCCC/C=C\CCCCCCCC(=O)N(C)CCS(=O)(=O)[O-].[K+]

Synonyms

  • Potassium 2-[(9Z)-N-methyloctadec-9-enamido]ethane-1-sulfonate

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
441.72 g/molcalc.
Exact mass
441.2315 Dacalc.
LogP (octanol/water)
2.03calc.
Topological polar surface area
77.51 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
18calc.
Heavy atoms
28calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.86calc.
Formal charge
0calc.
Stereocentres
0calc.
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

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H318Causes serious eye damage.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Potassium oleylmethyltauride suppliers

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Potassium oleylmethyltauride 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

Industries and functions

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 3402.39Indicative HS code

Anionic organic surface-active agents, whether or not put up for retail sale, other

World exports in 2024
$2.97B
+6.3% vs 2023, imports $2.8B
2022 to 2024
Top exporters
  1. China21.7%
  2. Germany15.9%
  3. United States10.3%
Top importers
  1. China6.9%
  2. United States6.4%
  3. France * partner reported5.6%

* Partner reported figures, a lower bound.

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

The HS code shown for Potassium oleylmethyltauride is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Potassium oleylmethyltauride?

Potassium oleylmethyltauride is a chemical substance with the molecular formula C21H40KNO4S and a molar mass of 441.72 g/mol. Its CAS registry number is 130976-49-7. The IUPAC name is potassium 2-[methyl-[(Z)-octadec-9-enoyl]amino]ethanesulfonate.

What is the CAS number of Potassium oleylmethyltauride?

The CAS registry number of Potassium oleylmethyltauride is 130976-49-7.

What is the molecular formula and weight of Potassium oleylmethyltauride?

The molecular formula of Potassium oleylmethyltauride is C21H40KNO4S and its molar mass is 441.72 g/mol.

What is Potassium oleylmethyltauride used for?

Known uses and roles of Potassium oleylmethyltauride include surfactants in home care and cleaning.

Is Potassium oleylmethyltauride hazardous?

Potassium oleylmethyltauride carries the GHS signal word "Danger". Main hazards: causes serious eye damage, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Potassium oleylmethyltauride?

Potassium oleylmethyltauride is usually classified under HS code 340239 (Anionic organic surface-active agents, whether or not put up for retail sale, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Potassium oleylmethyltauride?

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What is the price of Potassium oleylmethyltauride?

Suppliers quote Potassium oleylmethyltauride 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 oleylmethyltauride

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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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