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Selenium chloride (SeCl4), (T-4)-

CAS 10026-03-6

Molecular structure of 10026-03-6
US productionNot reported
Import value, 2024$18M
Top sourceGermany 85%

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 281219 · basket

These shares come from HS customs code 281219, which covers 12 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 85%GermanyKR 7%South KoreaJP 6%JapanIN 1%India

Why It Matters

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

Chemical Identity

CAS10026-03-6
PubChem CIDNot recorded
DTXSIDDTXSID6064903
FormulaCl4Se
Mol. Weight220.77 g/mol
SMILESCl[Se](Cl)(Cl)Cl

Data Sources

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Brief citations

Selenium chloride (SeCl4), (T-4)- (CAS 10026-03-6) https://chemicalindependence.com/chemical/10026-03-6/ EPA TSCA Inventory: CAS 10026-03-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 281219 for CAS 10026-03-6. Reporting year: 2024. https://usatrade.census.gov/