AMMONIUM STEARATE
Ammonium stearate
AMMONIUM STEARATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties

Ammonium Stearate
Ammonium stearate appears as white to yellow paste or liquid with a weak ammonia odor. May float or sink in water. (USCG, 1999) — CAMEO Chemicals
- IUPAC name
- azanium octadecanoate
- Molecular formula
- C18H39NO2
- Molecular weight
- 301.5 g/mol
- Exact mass
- 301.298079487 Da
- Topological polar surface area
- 41.1 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 2
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
9 more reported names
External database identifiers
- EPA DTXSID:DTXSID0027353
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Density: 1.01 at 68 °F (USCG, 1999) - Denser than water; will sink Source: CAMEO Chemicals
- Physical Description: Ammonium stearate appears as white to yellow paste or liquid with a weak ammonia odor. May float or sink in water. (USCG, 1999) Source: CAMEO Chemicals
- Physical Description: Liquid Source: EPA Chemical Data Reporting (CDR)
- First Aid: INHALATION or INGESTION: no treatment required.; EYES: flush with copious quantities of tap water.; SKIN: flush with water. (USCG, 1999) Source: CAMEO Chemicals
- Note: This chemical does not meet GHS hazard criteria for 24.8% (158 of 637) of reports. Source: European Chemicals Agency (ECHA)
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H319 (75.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 637 reports by companies from 4 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 158 of 637 reports by companies.; There are 2 notifications provided by 479 of 637 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Cosmetic Ingredient Review Conclusion: The CIR Expert Panel concluded that the following ingredients are safe in the present practices of use andconcentration described in the safety assessment when formulated to be non-irritating and non-sensitizing, which may be basedon a QRA...Ammonium Stearate... Source: Cosmetic Ingredient Review (CIR)
- Cosmetic Ingredient Review Finding(s): Safe for use in cosmetics, with qualifications Source: Cosmetic Ingredient Review (CIR)
- Consumer Uses: Filler; Surfactant (surface active agent) Source: EPA Chemical Data Reporting (CDR)
- Industry Uses: Processing aids not otherwise specified; Surfactant (surface active agent); Emulsifier Source: EPA Chemical Data Reporting (CDR)
- Cosmetic Ingredient Review Link: CIR ingredient: Ammonium Stearate Source: Cosmetic Ingredient Review (CIR)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | No exact record | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for AMMONIUM STEARATE
INCI name
AMMONIUM STEARATE
Description
Ammonium stearate
Record provenance
- Inventory reference
- 31897
- Imported identity
- AMMONIUM STEARATE
- Source update
- 15/10/2010
Annex records for AMMONIUM STEARATE
Key data
- CLEANSING
- Helping to keep the body surface clean.
- SURFACTANT - CLEANSING
- Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
- SURFACTANT - EMULSIFYING
- Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How AMMONIUM STEARATE appears in the CosIng inventory
The CosIng inventory lists AMMONIUM STEARATE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
AMMONIUM STEARATE is also tagged with 3 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for AMMONIUM STEARATE
This page reproduces the CosIng inventory entry for AMMONIUM STEARATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research AMMONIUM STEARATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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