Fuming sulfuric acid

CAS 8014-95-7

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$367M

Import volumeZero

Top sourceCanada 51%

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.

Where It Comes From

Customs basis: HS 280700 · exact

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production 18.3M lb · Imports Zero

Source Countries

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

CA 51%CanadaMX 22%MexicoTW 8%TaiwanES 6%SpainJP 3%Japan

Norway
Colombia
India
China
Austria
Croatia
Switzerland
Panama
Bulgaria
Malaysia
Netherlands

EPA-registered manufacturers (1)

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

Pvs Chemical Solutions

Why It Matters

Sectors

DefenseEnergyTextilesCore 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 5 sectors as 4 functional roles.

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing as a reactant
•Dehydrating agent (desiccant) in All Other Basic Organic Chemical Manufacturing (21%)Processing as a reactant
•Fixing agent (mordant) in Synthetic Dye and Pigment Manufacturing (16%)Processing as a reactant
•Dehydrating agent (desiccant) in Explosives Manufacturing (61%)Processing as a reactant
•Catalyst in Petroleum Refineries (2%)Processing as a reactant

Chemical Identity

CAS8014-95-7

PubChem CID24681

DTXSIDDTXSID5064889

FormulaH2O7S2

Mol. Weight178.15 g/mol

SMILESOS(=O)(=O)O.O=S(=O)=O

Data Sources

EPA CompTox (DSSTox) · DTXSID5064889Retrieved 2026-04-06
PubChem · compound 24681Retrieved 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

Fuming sulfuric acid (CAS 8014-95-7) https://chemicalindependence.com/chemical/8014-95-7/ EPA CompTox (DSSTox): DTXSID5064889. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5064889 PubChem: 24681. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24681 EPA Chemical Data Reporting: 8014-95-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 8014-95-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 280700 for CAS 8014-95-7. Reporting year: 2024. https://usatrade.census.gov/