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CAS 66456-45-9

CAS 66456-45-9 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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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 Å²
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

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Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 66456-45-9 is used on this site

CAS 66456-45-9 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 66456-45-9 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.