Entsufon sodium

CAS 2917-94-4

EPA’s 2019 records show zero U.S. production of this chemical.

Molecular structure of 2917-94-4
1 Na⁺
US productionZero
Import value, 2024$59M
Top sourceChina 51%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290930 · basket

EPA reports by year
2019
US production Zero · Imports Zero

These shares come from HS customs code 290930, which covers 119 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 51%ChinaIN 23%IndiaIT 12%ItalyJP 9%JapanCA 2%Canada
EPA-registered manufacturers (1)
Dow Chemical

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS2917-94-4
PubChem CID23691009
DTXSIDDTXSID3042398
FormulaC20H33NaO6S
Mol. Weight424.5 g/mol
SMILESCC(C)(C)CC(C)(C)C1=CC=C(C=C1)OCCOCCOCCS(=O)(=O)[O-].[Na+]

Data Sources

Brief citations

Entsufon sodium (CAS 2917-94-4) https://chemicalindependence.com/chemical/2917-94-4/ EPA CompTox (DSSTox): DTXSID3042398. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3042398 PubChem: 23691009. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/23691009 EPA Chemical Data Reporting: 2917-94-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290930 for CAS 2917-94-4. Reporting year: 2024. https://usatrade.census.gov/