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Sodium C12-13 alketh sulfate

CAS 161074-79-9

Concern score

Not assessed — no hazard data yet.

Sodium C12-13 alketh sulfate in plain language

What it is

On cosmetic ingredient lists it appears as “Sodium C12-13 alketh sulfate (formerly sodium C12-13 pareth sulfate)”.

What it does

Used in cosmetics as a cleansing agent. Sodium C12-13 Alketh Sulfate (Formerly Sodium C12-13 Pareth Sulfate) is the sodium salt of a sulfated polyethylene glycol ether of a mixture of synthetic C12-13 fatty alcohols.

  • Cleansing
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

Regulation

No restrictions found. Sodium C12-13 alketh sulfate appears in these published regulatory listings.

  • EUCosIngActive2 entries
    • Sodium C12-13 Alketh Sulfate (Formerly Sodium C12-13 Pareth Sulfate) is the sodium salt of a sulfated polyethylene glycol ether of a mixture of synthetic C12-13 fatty alcohols. It conforms generally to the formula below, where R represents the C12-13 alkyl group and n has an average value between 1 and 4.Source →
    • Sodium C12-13 Alketh Sulfate is the sodium salt of a sulfated polyethylene glycol ether of a mixture of synthetic C12-13 fatty alcohols. It conforms generally to the formula, where R represents the C12-13 alkyl group and n has an average value between 1 and 4.Source →

Expert safety opinions

No expert opinion on file for Sodium C12-13 alketh sulfate. 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 Sodium C12-13 alketh sulfate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    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.