What does Sodium C12-15 pareth sulfate do?

Used in cosmetics as an emulsifier, a cleansing agent and a foaming agent. Sodium Laureth Sulfate is the sodium salt of sulfated ethoxylated lauryl alcohol.

Is Sodium C12-15 pareth sulfate safe?

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

beauty
industrial

Sodium C12-15 pareth sulfate

CAS 1335-72-4

Also registered as 5 other CAS numbers

3088-31-1 · 9004-82-4 · 68585-34-2 · 68891-38-3 · 91648-56-5

Concern score

Not assessed — no hazard data yet.

Sodium C12-15 pareth sulfate in plain language

What it is: On cosmetic ingredient lists it appears as “Sodium COCETH-30 sulfate”.
Also known as Sodium COCETH-30 sulfate · Sodium laureth sulfate · Dodecyl alcohol ethoxylate (1) Sulfate Sodium Salt · sodium 2-(2-dodecyloxyethoxy)ethyl sulphate
What it does: Used in cosmetics as an emulsifier, a cleansing agent and a foaming agent. Sodium Laureth Sulfate is the sodium salt of sulfated ethoxylated lauryl alcohol.
Emulsifying
Cleansing
Foaming
Emulsifier
Surfactant
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. Sodium C12-15 pareth sulfate appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty
Industrial

EUCosIngActive2 entries
- Sulfuric acid, coconut alcohols ethoxylated (30 mol EO average molar ratio) ester, sodium saltSource →
- Sodium Laureth Sulfate is the sodium salt of sulfated ethoxylated lauryl alcohol that conforms generally to the formulaSource →
USEPAcommercial use observed2 entries
- EPA CPDat observed this chemical in 1 composition records across product categories including Personal care.Source →
- 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), Emulsifier, Cleaning agent.Source →

Expert safety opinions

No expert opinion on file for Sodium C12-15 pareth 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 C12-15 pareth sulfate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated August 25, 2017
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.

Where it has been recorded

How often EPA CPDat has listed Sodium C12-15 pareth sulfate in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Personal care

Typical roles

EmulsifyingCleansingFoamingEmulsifierSurfactantCleaning agent

See products using Sodium C12-15 pareth sulfate →

Catalog

Found in these products

Cosmetic and personal-care products that list Sodium C12-15 pareth sulfate are shown first. Their ingredient lists include Sodium C12-15 pareth sulfate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

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