Dithionous acid, disodium salt
CAS 7775-14-6
Used in 6 industrial sectors tracked by the EPA.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 283110 · narrow
- 2023
- US production 195.9M lb · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 283110, which covers 2 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Japan
- Guatemala
- Italy
- Spain
- Mexico
Show all 7
Why It Matters
Industrial Uses
Used in 8 sectors as 4 functional roles.
- •Reducing agent in Textiles, apparel, and leather manufacturing (90%)Processing—repackaging
- •Reducing agent in Paper Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in Paper Manufacturing (100%)Processing as a reactant
- •Reducing agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Dye in Textiles, apparel, and leather manufacturing (19%)Use—non-incorporative activities
- •Oxidizing agent in All Other Basic Inorganic Chemical Manufacturing (1%)Use—non-incorporative activities
- •Oxidizing agent in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (44%)Use—non-incorporative activities
- •Reducing agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Reducing agent in Synthetic Dye and Pigment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Reducing agent in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in Synthetic Dye and Pigment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
5 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 |
|---|---|---|---|---|
| A2B Chem LLC | United States | $0.02 | 500 g | — |
| Sigma-Aldrich (Rush Stock) | Germany | $0.06 | 2 kg | — |
| Sigma-Aldrich | Germany | $0.06 | 2 kg | — |
| Fluorochem UK | United Kingdom | $0.42 | 1 kg | 85% |
| AK Scientific, Inc. | United States | $1.16 | 25 g | 85% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID9029697Retrieved 2026-04-06
- PubChem · compound 24489Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Dithionous acid, disodium salt (CAS 7775-14-6) https://chemicalindependence.com/chemical/7775-14-6/ EPA CompTox (DSSTox): DTXSID9029697. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9029697 PubChem: 24489. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24489 EPA Chemical Data Reporting: 7775-14-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7775-14-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283110 for CAS 7775-14-6. Reporting year: 2024. https://usatrade.census.gov/