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Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2)

CAS 26650-05-5

Also registered as 1 other CAS number

40839-40-5

Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2) chemical structure

Concern score

Not assessed — no hazard data yet.

Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2) in plain language

What it is

On cosmetic ingredient lists it appears as “Disodium undecylenamido mea-sulfosuccinate”.

Also known as Disodium undecylenamido mea-sulfosuccinate · Disodium 4-(UNDECYLENIC monoethanolamide) sulfosuccinate · Disodium undecylenoyl monoethanolamide sulfosuccinate · Disodium undecylenic monoethanolamide sulfosuccinate · Q27285670 · Sodium undecenyl monoethanolamido sulfosuccinate

Show all 7 names

UNII-OIC30Y2OQZ

What it does

Used in cosmetics as a cleansing agent, a foam booster and a hydrotrope. Disodium Undecylenamido MEA-Sulfosuccinate is the disodium salt of a substituted ethanolamide half ester of sulfosuccinic acid.

  • Cleansing
  • Foam boosting
  • Hydrotrope
  • Surfactant
  • Foaming agent
  • Cleaning agent
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2) appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveDisodium Undecylenamido MEA-Sulfosuccinate is the disodium salt of a substituted ethanolamide half ester of sulfosuccinic acid. It conforms to the formula: Restriction: III/61
    • Disodium Undecylenamido MEA-Sulfosuccinate is the disodium salt of a substituted ethanolamide half ester of sulfosuccinic acid. It conforms to the formula: Restriction: III/61Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Solubility enhancer, Cleaning agent.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Solubility enhancer, Cleaning agent.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2). These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2) yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated 2020-03-22

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2) in a product composition. These are source records, not Greenveil catalog products.

Named organisations

2

Typical roles

CleansingFoam boostingHydrotropeSurfactantFoaming agentCleaning agent
See products using Butanedioic acid, 2-sulfo-, 4-[2-[(1-oxo-10-undecen-1-yl)amino]ethyl] ester, sodium salt (1:2) →