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InventoryRef 3879815/10/2010

TROMETHAMINE MAGNESIUM ALUMINUM SILICATE

Smectite-group minerals, products with 2-amino-2-hydroxymethyl-1,3-propanediol

TROMETHAMINE MAGNESIUM ALUMINUM SILICATE 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 66456-45-9
CAS 66456-45-9PubChem CID 165411919

Tromethamine hectorite

IUPAC name
lithium;magnesium;sodium;2-amino-2-(hydroxymethyl)propane-1,3-diol;1,3,5,7-tetraoxido-2,4,6,8,9,10-hexaoxa-1,3,5,7-tetrasilatricyclo[5.1.1.13,5]decane;dihydroxide
Molecular formula
C4H13LiMgNNaO15Si4-2
Molecular weight
481.7 g/mol
Exact mass
480.9270393 Da
Topological polar surface area
236.0 Ų
Hydrogen-bond donors
6
Hydrogen-bond acceptors
16
Covalent units
7
Defined stereocentres
0

Also known as

KND1MEC2FETROMETHAMINE MAGNESIUM ALUMINUM SILICATERefChem:900662EINECS 270-946-9Tris(hydroxymethyl)aminomethane modified hectoriteTROMETHAMINE MAGNESIUM ALUMINUM SILICATE [INCI]HPBDHWCYCJHJAJ-UHFFFAOYSA-L

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 TROMETHAMINE MAGNESIUM ALUMINUM SILICATE

INCI name

TROMETHAMINE MAGNESIUM ALUMINUM SILICATE

Description

Smectite-group minerals, products with 2-amino-2-hydroxymethyl-1,3-propanediol

Record provenance

Inventory reference
38798
Imported identity
TROMETHAMINE MAGNESIUM ALUMINUM SILICATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
Restriction
Function
VISCOSITY CONTROLLING
Increasing or decreasing the viscosity (thickness) of cosmetics.

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 TROMETHAMINE MAGNESIUM ALUMINUM SILICATE appears in the CosIng inventory

The CosIng inventory lists TROMETHAMINE MAGNESIUM ALUMINUM SILICATE 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.

TROMETHAMINE MAGNESIUM ALUMINUM SILICATE is also tagged with 1 cosmetic function 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

TROMETHAMINE MAGNESIUM ALUMINUM SILICATE 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, TROMETHAMINE MAGNESIUM ALUMINUM SILICATE carries the following function designation(s):

CAS 66456-45-9 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 TROMETHAMINE MAGNESIUM ALUMINUM SILICATE

This page reproduces the CosIng inventory entry for TROMETHAMINE MAGNESIUM ALUMINUM SILICATE 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 TROMETHAMINE MAGNESIUM ALUMINUM SILICATE 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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