Poly(oxy-1,2-ethanediyl), α-sulfo-ω-(dodecyloxy)-, sodium salt (1:1)

CAS 9004-82-4

U.S. production volumes are classified as confidential business information.

Molecular structure of 9004-82-4 — 1 Na⁺

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

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

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.

Aurorium

Daxx

Why It Matters

Sectors

Consumer Products

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

•Surfactant (surface active agent) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS9004-82-4

PubChem CIDNot recorded

DTXSIDDTXSID2029298

Formula(C2H4O)nC12H25NaO4S

Mol. WeightNot recorded

SMILES[Na+].CCCCCCCCCCCCOCCOS([O-])(=O)=O |lp:13:2,16:2,18:3,19:2,20:2,Sg:n:16,15,14::ht|

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

Poly(oxy-1,2-ethanediyl), α-sulfo-ω-(dodecyloxy)-, sodium salt (1:1) (CAS 9004-82-4) https://chemicalindependence.com/chemical/9004-82-4/ EPA TSCA Inventory: CAS 9004-82-4. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 9004-82-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 9004-82-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 340239 for CAS 9004-82-4. Reporting year: 2024. https://usatrade.census.gov/