Acetic anhydride

CAS 108-24-7

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$18M

Top sourceMexico 94%

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 291524 · exact

EPA reports by year

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

Source Countries

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

MX 94%MexicoIN 6%India

China
Switzerland

EPA-registered manufacturers (5)

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

Basf Se · DE Germany

Symrise Ag · DE Germany

Bae Systems Ordnance Systems

Basf

Symrise

Domestic parents -- activity not disclosed (2)

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

Eastman Chemical

EPA-registered importers (2)

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

Jubilant Ingrevia · IN India

Jubilant Life Sciences Usa

Why It Matters

Sectors

DefenseFoodElectronicsPlastics & 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 3 sectors as 1 functional role.

•Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
•Intermediate in Food, beverage, and tobacco product manufacturing (100%)Processing as a reactant
•Intermediate in Plastics Material and Resin Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS108-24-7

PubChem CID7918

DTXSIDDTXSID0024395

FormulaC4H6O3

Mol. Weight102.09 g/mol

SMILESCC(=O)OC(=O)C

Data Sources

EPA CompTox (DSSTox) · DTXSID0024395Retrieved 2026-04-06
PubChem · compound 7918Retrieved 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

Acetic anhydride (CAS 108-24-7) https://chemicalindependence.com/chemical/108-24-7/ EPA CompTox (DSSTox): DTXSID0024395. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0024395 PubChem: 7918. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7918 EPA Chemical Data Reporting: 108-24-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 108-24-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291524 for CAS 108-24-7. Reporting year: 2024. https://usatrade.census.gov/