Vanadium sulfide (VS)

CAS 12166-27-7

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$23M

Top sourceAustria 29%

At least one company claimed its 2019 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: 2019. 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

EPA reports by year

2019: US production Confidential · Imports Confidential

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

Country of origin for US imports, from Census customs data (2024).

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

Philippines
Mexico
Netherlands
Malaysia
Singapore

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Valero

Why It Matters

Sectors

Energy

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

•Catalyst in Petroleum RefineriesUse—non-incorporative activities

Chemical Identity

CAS12166-27-7

PubChem CID82959

DTXSIDDTXSID1065265

FormulaSV

Mol. Weight83.01 g/mol

SMILESS=[V]

Data Sources

EPA CompTox (DSSTox) · DTXSID1065265Retrieved 2026-04-06
PubChem · compound 82959Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Vanadium sulfide (VS) (CAS 12166-27-7) https://chemicalindependence.com/chemical/12166-27-7/ EPA CompTox (DSSTox): DTXSID1065265. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1065265 PubChem: 82959. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/82959 EPA Chemical Data Reporting: 12166-27-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12166-27-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283090 for CAS 12166-27-7. Reporting year: 2024. https://usatrade.census.gov/