Tetrachlorostannane

CAS 7646-78-8

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

US productionCBI

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

Import value, 2024$99M

Top sourceCanada 27%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 282739 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 282739, which covers 44 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).

CA 27%CanadaDE 16%GermanyAR 10%ArgentinaGB 10%United KingdomIT 7%Italy

Israel
Taiwan
Lithuania
Singapore
Malaysia
Turkey
Switzerland
Colombia
Mexico
New Zealand
Ireland
Greece
Russia
Australia
Austria
Poland
Denmark

EPA-registered manufacturers (3)

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

Gulbrandsen Chemicals

Mason

Pmc Group N.A

Why It Matters

Sectors

Plastics & RubberCore Chemicals

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

Used in 2 sectors as 2 functional roles.

•Intermediate in All Other Chemical Product and Preparation Manufacturing (95%)Processing as a reactant
•Catalyst in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS7646-78-8

PubChem CID24287

DTXSIDDTXSID1029679

FormulaCl4Sn

Mol. Weight260.5 g/mol

SMILESCl[Sn](Cl)(Cl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID1029679Retrieved 2026-04-06
PubChem · compound 24287Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Tetrachlorostannane (CAS 7646-78-8) https://chemicalindependence.com/chemical/7646-78-8/ EPA CompTox (DSSTox): DTXSID1029679. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1029679 PubChem: 24287. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24287 EPA Chemical Data Reporting: 7646-78-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7646-78-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 282739 for CAS 7646-78-8. Reporting year: 2024. https://usatrade.census.gov/