Sodium hypochlorite
Drug ingredientCAS 7681-52-9
This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.
US productionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Import value, 2024$59M
Top sourceCanada 89%
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. US production volume is confidential. 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 282890 · narrow
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 282890, which covers 4 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2024).
CA 89%CanadaES 6%SpainCN 2%ChinaJP 1%JapanDE 1%Germany
- United Kingdom
- Dominican Republic
- Denmark
- Finland
- Mexico
- South Korea
- India
- Belgium
- Poland
- Netherlands
EPA-registered manufacturers (24)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Carbonfree Chemicals Spe 1 Holdings
Cargill, Incorporated
Clearwater Paper
Clorox Co., The
Covestro
Show all 24
Dover Chemical
Ecolab
Formosa Plastics Corporation, U.S.A.
Hasa
Hawkins
Hydrite Chemical
Ineos Enterprises Us Hold
Kik International
Koch Industries
Kuehne Chemical
Nalco- An Ecolab
Nippon Paper Industries Usa
Olin
Pvs Dx
Rayonier
Rowell Chemical
Thatcher
Tri-Chem Industries
Univar Solutions Usa
Domestic parents -- activity not disclosed (5)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Alexander Chemical
Borden & Remington
Polyventive
Target
Trinity Manufacturing
EPA-registered importers (3)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Calfrac Well Services
Solenis
United Refining
3 FDA-registered drug labelers
Apex Energetics Inc.
Century Pharmaceuticals, Inc.
Nutritional Specialties, Inc.
Why It Matters
Sectors
HealthAgricultureFoodEnergyWaterTransportationMetals & MiningPlastics & RubberConsumer ProductsPaints & CoatingsPaper & PrintingCore Chemicals
Downstream Uses
Appears in 6 drug and cosmetic product listings (FDA).
- •Dakins Full
- •Cold Sore Formula
- •Di-Dak-Sol
- •Dakins Half
- •N03 Exchem
- •Dakins Quarter
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
Used in 19 sectors as 10 functional roles.
- •Oxidizing agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (72%)Processing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in Agriculture, Forestry, Fishing and Hunting (13%)Use—non-incorporative activities
- •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (5%)Use—non-incorporative activities
- •Bleaching agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (1%)Processing—repackaging
- •Oxidizing agent in Utilities (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in Wholesale and Retail Trade (80%)Processing—repackaging
- •Bleaching agent in Utilities (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Cleaning agent in Wholesale and Retail Trade (10%)Processing—repackaging
- •Cleaning agent in Other (90%)Use—non-incorporative activities
- •pH regulating agent in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in Paper Manufacturing (15%)Processing as a reactant
- •Bleaching agent in Miscellaneous Manufacturing (15%)Processing—repackaging
- •Bleaching agent in All Other Chemical Product and Preparation Manufacturing (70%)Processing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in Petrochemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
- •Cleaning agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
- •Cleaning agent in All Other Basic Inorganic Chemical Manufacturing (5%)Use—non-incorporative activities
- •Cleaning agent in Utilities (70%)Processing as a reactant
- •Brightener in Paper Manufacturing (6%)Processing—incorporation into formulation, mixture, or reaction product
- •Oxidizing agent in Paper Manufacturing (0%)Use—non-incorporative activities
- •Oxidizing agent in Food, beverage, and tobacco product manufacturing (10%)Use—non-incorporative activities
- •Bleaching agent in Petroleum Refineries (100%)Processing as a reactant
- •Bleaching agent in Paint and Coating Manufacturing (100%)Processing as a reactant
- •Processing aids, specific to petroleum production in Oil and Gas Drilling, Extraction, and Support activities (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Anti-scaling agent in Primary Metal Manufacturing (18%)Use—non-incorporative activities
- •Anti-scaling agent in Paper Manufacturing (2%)Use—non-incorporative activities
- •Anti-scaling agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Anti-scaling agent in Food, beverage, and tobacco product manufacturing (42%)Use—non-incorporative activities
- •Anti-scaling agent in Miscellaneous Manufacturing (3%)Use—non-incorporative activities
- •Anti-scaling agent in Transportation Equipment Manufacturing (10%)Use—non-incorporative activities
- •Anti-scaling agent in Services (16%)Use—non-incorporative activities
- •Anti-scaling agent in Mining (except Oil and Gas) and support activities (9%)Use—non-incorporative activities
- •Sealant (barrier) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Bleaching agent in All Other Basic Inorganic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant
- •Oxidizing agent in All Other Chemical Product and Preparation Manufacturing (20%)Processing as a reactant
- •pH regulating agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (50%)Processing as a reactant
- •Oxidizing agent in Miscellaneous Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS7681-52-9
PubChem CID23665760
DTXSIDDTXSID8021276
FormulaClNaO
Mol. Weight74.44 g/mol
SMILES[O-]Cl.[Na+]
Data Sources
- EPA CompTox (DSSTox) · DTXSID8021276Retrieved 2026-04-06
- PubChem · compound 23665760Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Sodium hypochlorite (CAS 7681-52-9) https://chemicalindependence.com/chemical/7681-52-9/ EPA CompTox (DSSTox): DTXSID8021276. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8021276 PubChem: 23665760. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/23665760 EPA Chemical Data Reporting: 7681-52-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7681-52-9. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 282890 for CAS 7681-52-9. Reporting year: 2024. https://usatrade.census.gov/