7-Amino-4-hydroxynaphthalene-2-sulfonic 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 292221 · basket
These shares come from HS customs code 292221, which covers 4 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
Why It Matters
Industrial Uses
Used in 2 sectors as 1 functional role.
- •Intermediate in Synthetic Dye and Pigment Manufacturing (100%)Processing as a reactant
- •Intermediate in All Other Basic Organic Chemical 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.
16 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $0.40 | 500 g | 95% |
| Angene Chemical | China → Hong Kong | $0.46 | 500 g | 95% |
| A2B Chem LLC | United States | $0.50 | 500 g | 95% |
| Combi-Blocks, Inc. | United States | $0.51 | 1 kg | 95% |
| BLD Pharmatech Ltd. | China | $0.56 | 1 kg | 95% |
| BLD Pharmatech Co., Limited | United States | $0.65 | 500 g | 95% |
| Ambeed, Inc. | United States | $0.65 | 500 g | 95% |
| Fluorochem EU | Germany | $0.85 | 100 g | 90% |
| AK Scientific, Inc. | United States | $0.87 | 100 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.90 | 100 g | 90% |
| Sigma-Aldrich | Germany | $0.90 | 100 g | 90% |
| AstaTech (2 weeks) | United States | $1.17 | 100 g | 95% |
| BLD Pharmatech GmbH | Germany | $1.28 | 25 g | 95% |
| Angene International Limited | United States | $1.69 | 100 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
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/6868/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/6868.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