Sulfuric acid, mono-C12-16-alkyl esters, sodium salts

CAS 73296-89-6

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$169M

Top sourceGermany 13%

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 340239 · basket

EPA reports by year

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

These shares come from HS customs code 340239, which covers 13 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).

DE 13%GermanyMX 10%MexicoGB 9%United KingdomIN 9%IndiaIT 8%Italy

Spain
Czech Republic
Sweden
Denmark
Turkey
Dominican Republic
Colombia
Poland
South Africa
Uruguay
Ecuador
Austria
Australia
Switzerland
Norway
Slovenia
Cambodia

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.

Covestro

Kensing

EPA-registered importers (1)

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

Zschimmer&Schwarz

Why It Matters

Sectors

TextilesConsumer ProductsPaints & Coatings

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 2 functional roles.

•Surfactant (surface active agent) in Textiles, apparel, and leather manufacturing (24%)Processing—incorporation into formulation, mixture, or reaction product
•Surfactant (surface active agent) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (74%)Processing—repackaging
•Surfactant (surface active agent) in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Emulsifier in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS73296-89-6

PubChem CIDNot recorded

DTXSIDDTXSID40104773

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID40104773Retrieved 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

Sulfuric acid, mono-C12-16-alkyl esters, sodium salts (CAS 73296-89-6) https://chemicalindependence.com/chemical/73296-89-6/ EPA CompTox (DSSTox): DTXSID40104773. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID40104773 EPA Chemical Data Reporting: 73296-89-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 73296-89-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 340239 for CAS 73296-89-6. Reporting year: 2024. https://usatrade.census.gov/