What does Ammonium myristyl sulfate do?

Used in cosmetics as a cleansing agent and a foaming agent.

Is Ammonium myristyl sulfate safe?

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

beauty
industrial

Ammonium myristyl sulfate

CAS 855947-74-9

Also registered as 1 other CAS number

52304-21-9

Ammonium myristyl sulfate chemical structure

Concern score

Not assessed — no hazard data yet.

Ammonium myristyl sulfate in plain language

What it is: Also known as Ammonium tetradecyl sulphate · 1-TETRADECANOL, hydrogen sulfate, ammonium salt · Tetradecyl hydrogen sulfate--ammonia (1/1) · azane;tetradecyl hydrogen sulfate · 1-Tetradecanol, 1-(hydrogen sulfate), ammonium salt (1:1) · 1-Tetradecanol, hydrogen sulfate (ester), ammonium salt
Show all 11 names
Ahvcyvoraaeakw-uhfffaoysa-n · Ammonium tetradecyl sulfate · Q27283210 · Tetradecyl ammonium sulfate · UNII-LW5244PD75
What it does: Used in cosmetics as a cleansing agent and a foaming agent.
Cleansing
Foaming
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. Ammonium myristyl sulfate appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Industrial

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
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), Cleaning agent, Foamant.
- 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), Cleaning agent, Foamant.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 Ammonium myristyl 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 Ammonium myristyl sulfate 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 January 7, 2008
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 Ammonium myristyl sulfate in a product composition. These are source records, not Greenveil catalog products.

Named organisations

Typical roles

CleansingFoamingSurfactantFoaming agentCleaning agent

See products using Ammonium myristyl sulfate →