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2-Anthracenesulfonic acid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo-

CAS 145-48-2

Molecular structure of 145-48-2
US productionNot reported
Import value, 2024$175M
Top sourceIndia 48%

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 291479 · basket

These shares come from HS customs code 291479, which covers 95 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 48%IndiaCN 20%ChinaMX 19%MexicoDE 10%GermanyFI 2%Finland

Why It Matters

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

Chemical Identity

CAS145-48-2
PubChem CIDNot recorded
DTXSIDDTXSID7059729
FormulaC14H8O7S
Mol. Weight320.27 g/mol
SMILESOC1=CC(=C(O)C2=C1C(=O)C1=CC=CC=C1C2=O)S(O)(=O)=O

Data Sources

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Brief citations

2-Anthracenesulfonic acid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo- (CAS 145-48-2) https://chemicalindependence.com/chemical/145-48-2/ EPA TSCA Inventory: CAS 145-48-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291479 for CAS 145-48-2. Reporting year: 2024. https://usatrade.census.gov/