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InventoryRef 5882015/10/2010

STEAROXYPROPYLTRIMONIUM CHLORIDE

Ammonium, Trimethyl[3-Octadecyloxy)Propyl]-, Chloride

STEAROXYPROPYLTRIMONIUM CHLORIDE 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

PubChem 2D chemical structure for CAS 23328-71-4
CAS 23328-71-4PubChem CID 18519353

Stearoxypropyltrimonium Chloride

The CIR Expert Panel concluded the following ingredients are safe in the present practices of use and concentration described in the safety assessment when formulated to be non-irritating...Stearoxypropyltrimonium Chloride... Cosmetic Ingredient Review (CIR)

IUPAC name
trimethyl(3-octadecoxypropyl)azanium chloride
Molecular formula
C24H52ClNO
Molecular weight
406.1 g/mol
Exact mass
405.3737430 Da
Topological polar surface area
9.2 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
2
Defined stereocentres
0

Also known as

Quartamin E-80kUNII-LC1M3R2X4HLC1M3R2X4H1-Propanaminium, N,N,N-trimethyl-3-(octadecyloxy)-, chloride (1:1)3-Octadecyloxypropyltrimethylammonium chlorideStearoxypropyltrimonium chloride [INCI]Ammonium, trimethyl(3-(octadecyloxy)propyl)-, chloride1-Propanaminium, N,N,N-trimethyl-3-(octadecyloxy)-, chloride
8 more reported names
EC 700-414-8RefChem:185405trimethyl(3-octadecoxypropyl)azanium;chlorideN,N,N-Trimethyl-3-(octadecyloxy)propan-1-aminium chlorideN,N,N-trimethyl-3-(octadecyloxy)propan-1-ammonium chlorideCS-0435543N,N,N-trimethyl-3-octadecyloxypropylammonium chloride1-Propanaminium,N,N,N-trimethyl-3-(octadecyloxy)-, chloride
External database identifiers

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 STEAROXYPROPYLTRIMONIUM CHLORIDE

INCI name

STEAROXYPROPYLTRIMONIUM CHLORIDE

Description

Ammonium, Trimethyl[3-Octadecyloxy)Propyl]-, Chloride

Record provenance

Inventory reference
58820
Imported identity
STEAROXYPROPYLTRIMONIUM CHLORIDE
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
Restriction
Function
CLEANSING
Helping to keep the body surface clean.
HAIR CONDITIONING
Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
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).

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How STEAROXYPROPYLTRIMONIUM CHLORIDE appears in the CosIng inventory

The CosIng inventory lists STEAROXYPROPYLTRIMONIUM CHLORIDE 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.

STEAROXYPROPYLTRIMONIUM CHLORIDE 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

STEAROXYPROPYLTRIMONIUM CHLORIDE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, STEAROXYPROPYLTRIMONIUM CHLORIDE carries the following function designation(s):

CAS 23328-71-4 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for STEAROXYPROPYLTRIMONIUM CHLORIDE

This page reproduces the CosIng inventory entry for STEAROXYPROPYLTRIMONIUM CHLORIDE 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 STEAROXYPROPYLTRIMONIUM CHLORIDE 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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