4,4'-Diamino-2,2'-stilbenedisulfonic acid
U.S. production volumes are classified as confidential business information.
The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.
Where It Comes From
Customs basis: HS 292159 · basket
These shares come from HS customs code 292159, which covers 12 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
- United Kingdom
- South Korea
- Canada
- Italy
- Ukraine
- Netherlands
Why It Matters
Industrial Uses
Used in 2 sectors as 2 functional roles.
- •Intermediate in Synthetic Dye and Pigment Manufacturing (100%)Processing as a reactant
- •Brightener in Paper ManufacturingProcessing as a reactant
- •Brightener in Synthetic Dye and Pigment Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
Chemical Identity
Data Sources
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6668/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/6668.json
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv