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Aluminum silicate (Al2Si2O7)

CAS 22708-90-3

Silicic acid (H6Si2O7), aluminum salt (1:2)

EPA and Census publish no US supply data for this chemical.

Molecular structure of 22708-90-3
2 Al³⁺
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS22708-90-3
PubChem CIDNot recorded
DTXSIDDTXSID901014469
FormulaAl2O7Si2
Mol. Weight222.126 g/mol
SMILES[Al+3].[Al+3].[O-][Si]([O-])([O-])O[Si]([O-])([O-])[O-]

Data Sources

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Brief citations

Aluminum silicate (Al2Si2O7) (CAS 22708-90-3) https://chemicalindependence.com/chemical/22708-90-3/ EPA TSCA Inventory: CAS 22708-90-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory