Octenylsuccinic anhydride

CAS 26680-54-6

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$139M

Import volumeZero

Top sourceChina 67%

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 291719 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production 15.2K lb · Imports Zero

These shares come from HS customs code 291719, which covers 176 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).

CN 67%ChinaCA 13%CanadaAT 4%AustriaIN 4%IndiaJP 4%Japan

Taiwan
Netherlands
Switzerland
Mexico
South Africa
Denmark
Malaysia
Ukraine
Colombia
Hong Kong
Slovakia

Why It Matters

Sectors

FoodPaper & Printing

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

•Surface modifier in Paper ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$3.72/gAaron Chemicals LLC

CountryHong Kong

Pack$93.00 / 25 g

Purity98%

Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (1 week)	United States	$4.32	25 g	98%

Chemical Identity

CAS26680-54-6

PubChem CID5362721

DTXSIDDTXSID7027910

FormulaC12H18O3

Mol. Weight210.27 g/mol

SMILESCCCCCCC=CC1CC(=O)OC1=O

Data Sources

EPA CompTox (DSSTox) · DTXSID7027910Retrieved 2026-04-06
PubChem · compound 5362721Retrieved 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

Octenylsuccinic anhydride (CAS 26680-54-6) https://chemicalindependence.com/chemical/26680-54-6/ EPA CompTox (DSSTox): DTXSID7027910. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7027910 PubChem: 5362721. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5362721 EPA Chemical Data Reporting: 26680-54-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 26680-54-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291719 for CAS 26680-54-6. Reporting year: 2024. https://usatrade.census.gov/