Xanthylium, 3,6-dichloro-9-(2-sulfophenyl)-, inner salt

CAS 56046-85-6

Molecular structure of 56046-85-6
US productionNot reported
Import value, 2024$3.5B
Top sourceIreland 57%

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 293299 · basket

These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 57%IrelandNL 24%NetherlandsCH 8%SwitzerlandCN 5%ChinaIT 2%Italy

Why It Matters

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

Chemical Identity

CAS56046-85-6
PubChem CIDNot recorded
DTXSIDDTXSID801014961
FormulaC19H10Cl2O4S
Mol. Weight405.25 g/mol
SMILES[O-]S(=O)(=O)C1=C(C=CC=C1)C1=C2C=CC(Cl)=CC2=[O+]C2=C1C=CC(Cl)=C2

Data Sources

Brief citations

Xanthylium, 3,6-dichloro-9-(2-sulfophenyl)-, inner salt (CAS 56046-85-6) https://chemicalindependence.com/chemical/56046-85-6/ EPA TSCA Inventory: CAS 56046-85-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293299 for CAS 56046-85-6. Reporting year: 2024. https://usatrade.census.gov/