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C.I. Fluorescent Brightener 28/113

CAS 70942-01-7

Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, potassium sodium salt (1:?:?)

Molecular structure of 70942-01-7
US productionNot reported
Import value, 2024$44M
Top sourceIndia 28%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 320420 · basket

These shares come from HS customs code 320420, which covers 16 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 28%IndiaCH 26%SwitzerlandTW 22%TaiwanDE 9%GermanyCN 8%China

Why It Matters

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

Chemical Identity

CAS70942-01-7
PubChem CIDNot recorded
DTXSIDDTXSID9029807
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

C.I. Fluorescent Brightener 28/113 (CAS 70942-01-7) https://chemicalindependence.com/chemical/70942-01-7/ EPA TSCA Inventory: CAS 70942-01-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 320420 for CAS 70942-01-7. Reporting year: 2024. https://usatrade.census.gov/