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CAS 97158-31-1 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 3353615/10/2010

DIPALMITOYLETHYL DIMONIUM CHLORIDE

Dimethylbis[2-[(1-oxohexadecyl)oxy]ethyl]ammonium chloride

DIPALMITOYLETHYL DIMONIUM CHLORIDE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 97158-31-1

CAS 97158-31-1PubChem CID 3024757

Dipalmitoylethyl dimonium chloride

IUPAC name: bis(2-hexadecanoyloxyethyl)-dimethylazanium chloride

Molecular formula: C38H76ClNO4
Molecular weight: 646.5 g/mol
Exact mass: 645.5462876 Da
Topological polar surface area: 52.6 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 5
Covalent units: 2
Defined stereocentres: 0

Also known as

DIMETHYLBIS[2-[(1-OXOHEXADECYL)OXY]ETHYL]AMMONIUM CHLORIDE335B8I1C0PARMOCARE VGH-70EINECS 306-361-3Dimethylbis(2-((1-oxohexadecyl)oxy)ethyl)ammonium chlorideETHANAMINIUM, N,N-DIMETHYL-2-((1-OXOHEXADECYL)OXY)-N-(2-((1-OXOHEXADECYL)OXY)ETHYL)-, CHLORIDE (1:1)Ethanaminium, N,N-dimethyl-2-[(1-oxohexadecyl)oxy]-N-[2-[(1-oxohexadecyl)oxy]ethyl]-, chloride (1:1)RefChem:588779

8 more reported names

DIPALMITOYLETHYL DIMONIUM CHLORIDE [INCI]bis(2-hexadecanoyloxyethyl)-dimethylazanium;chlorideUNII-335B8I1C0PVHIZYFAEPDWBFM-UHFFFAOYSA-M2-(Hexadecanoyloxy)-N-[2-(hexadecanoyloxy)ethyl]-N,N-dimethylethan-1-aminium chlorideDiethyl ester dialkyl dimethyl ammonium chloride C16:16 (de,estDADMAC C16:C16 Cl)N,N-Dimethyl-2-(palmitoyloxy)-N-(2-(palmitoyloxy)ethyl)ethan-1-aminium chlorideETHANAMINIUM, N,N-DIMETHYL-2-((1-OXOHEXADECYL)OXY)-N-(2-((1-OXOHEXADECYL)OXY)ETHYL)-, CHLORIDE

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External database identifiers

EPA DTXSID:DTXSID60892009

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 DIPALMITOYLETHYL DIMONIUM CHLORIDE

INCI name

DIPALMITOYLETHYL DIMONIUM CHLORIDE

Description

Dimethylbis[2-[(1-oxohexadecyl)oxy]ethyl]ammonium chloride

Record provenance

Inventory reference: 33536
Imported identity: DIPALMITOYLETHYL DIMONIUM CHLORIDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIPALMITOYLETHYL DIMONIUM CHLORIDE

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Key data

CAS

97158-31-1

306-361-3

Restriction

—

Function

ANTISTATIC: Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
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.

Official EU ingredient-name evidence

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

#9137 · DIPALMITOYLETHYL DIMONIUM CHLORIDE

Ingredients with overlapping formulation functions

DIOLEOYLISOPROPYL DIMONIUM METHOSULFATEANTISTATIC, HAIR CONDITIONING

DIPALMITAMINEANTISTATIC

DIPALMITOYL CYSTINEANTISTATIC, HAIR CONDITIONING

DIPALMITOYL HYDROXYPROLINEANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

DIPALMITOYLETHYL HYDROXYETHYLMONIUM METHOSULFATEANTISTATIC, DETANGLING, HAIR CONDITIONING

DIPALMOYLETHYL HYDROXYETHYLMONIUM METHOSULFATEANTISTATIC, DETANGLING, HAIR CONDITIONING

DIPALMOYLISOPROPYL DIMONIUM METHOSULFATEANTISTATIC, HAIR CONDITIONING

DIRAPESEEDOYLETHYL HYDROXYETHYLMONIUM METHOSULFATEANTISTATIC, HAIR CONDITIONING

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

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How DIPALMITOYLETHYL DIMONIUM CHLORIDE appears in the CosIng inventory

The CosIng inventory lists DIPALMITOYLETHYL DIMONIUM 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.

DIPALMITOYLETHYL DIMONIUM CHLORIDE is also tagged with 2 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

DIPALMITOYLETHYL DIMONIUM 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, DIPALMITOYLETHYL DIMONIUM CHLORIDE carries the following function designation(s):

CAS 97158-31-1 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.

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Source note for DIPALMITOYLETHYL DIMONIUM CHLORIDE

This page reproduces the CosIng inventory entry for DIPALMITOYLETHYL DIMONIUM 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 DIPALMITOYLETHYL DIMONIUM CHLORIDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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