CAS 1002-89-7PubChem CID 9861187
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
Octadecanoic acid, ammonium saltRefChem:112206213-695-2Stearic acid, ammonium saltAmmonium octadecanoateammoniumstearateazanium,octadecanoateazanium;octadecanoate
9 more reported names
VICARLAN BASTOKAL STAKANEBINOL YC 81NOPCOTE DC 100ASTANFAX 320AMMONIUM STEARATE [MI]E-470(I)STEARIC ACID, AMMONIUM SALTINS-470(I)STEARIC ACID, AMMONIUM SALTINS NO.470(I)STEARIC ACID, AMMONIUM SALT
External database identifiers
- EPA DTXSID:DTXSID0027353
Evidence from additional scientific databases
NIH PubChem PUG-View
Exact identifier match9861187
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.