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Bismuth sulfide (Bi2S3)

CAS 1345-07-9

US productionNot reported
Import value, 2024$23M
Top sourceAustria 29%

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 283090 · basket

These shares come from HS customs code 283090, which covers 34 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
AT 29%AustriaDE 17%GermanyGB 13%United KingdomCN 9%ChinaIN 8%India

Why It Matters

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

Chemical Identity

CAS1345-07-9
PubChem CIDNot recorded
DTXSIDDTXSID601014434
FormulaBi2S3
Mol. Weight514.14 g/mol
SMILES[S--].[S--].[S--].[Bi+3].[Bi+3]

Data Sources

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Brief citations

Bismuth sulfide (Bi2S3) (CAS 1345-07-9) https://chemicalindependence.com/chemical/1345-07-9/ EPA TSCA Inventory: CAS 1345-07-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283090 for CAS 1345-07-9. Reporting year: 2024. https://usatrade.census.gov/