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Barium metasilicate (BaO.SiO2)

CAS 13255-26-0

Silicic acid (H2SiO3), barium salt (1:1)

Molecular structure of 13255-26-0
1 BaH₂
US productionNot reported
Import value, 2024$21M
Top sourceMexico 25%

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

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283990 · basket

These shares come from HS customs code 283990, which covers 20 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
MX 25%MexicoCA 17%CanadaDE 12%GermanyIT 12%ItalyJP 9%Japan

Why It Matters

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

Chemical Identity

CAS13255-26-0
PubChem CIDNot recorded
DTXSIDDTXSID801015688
FormulaBaH2O3Si
Mol. Weight215.425 g/mol
SMILES[BaH2].O[Si](O)=O

Data Sources

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Brief citations

Barium metasilicate (BaO.SiO2) (CAS 13255-26-0) https://chemicalindependence.com/chemical/13255-26-0/ EPA TSCA Inventory: CAS 13255-26-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283990 for CAS 13255-26-0. Reporting year: 2024. https://usatrade.census.gov/