Silicic acid, aluminum magnesium sodium salt

CAS 12040-43-6

U.S. production volumes are classified as confidential business information.

Molecular structure of 12040-43-6 — 1 Al³⁺ · 1 Mg²⁺ · 1 Na⁺

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$138M

Top sourceChina 29%

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 284210 · basket

EPA reports by year

2023: US production Not published · Imports Not published
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 284210, which covers 10 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 29%ChinaDE 28%GermanyCA 25%CanadaDK 6%DenmarkIT 2%Italy

Malaysia
South Korea
Slovenia
Spain
Mexico
Singapore
Poland
Austria
South Africa
Luxembourg
Colombia
Saudi Arabia
Ireland
Switzerland

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Evonik

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

W. R. Grace & Co. - Conn.

Why It Matters

Sectors

Paints & Coatings

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS12040-43-6

PubChem CID160975

DTXSIDDTXSID70890672

FormulaAlMgNaO9Si3

Mol. Weight302.53 g/mol

SMILES[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[Na+].[Mg+2].[Al+3]

Data Sources

EPA CompTox (DSSTox) · DTXSID70890672Retrieved 2026-04-06
PubChem · compound 160975Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Silicic acid, aluminum magnesium sodium salt (CAS 12040-43-6) https://chemicalindependence.com/chemical/12040-43-6/ EPA CompTox (DSSTox): DTXSID70890672. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID70890672 PubChem: 160975. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/160975 EPA Chemical Data Reporting: 12040-43-6. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12040-43-6. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284210 for CAS 12040-43-6. Reporting year: 2024. https://usatrade.census.gov/