Potassium hypochlorite

CAS 7778-66-7

Used in 1 industrial sector tracked by the EPA.

US production4.8M lb

Import value, 2024$59M

Import volumeZero

Import dependency0%

Top sourceCanada 89%

Production is reported production, not a complete census of factories. Production reporting year: 2019. 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 Not published · Imports Not published
2019: US production 4.8M lb · Imports Zero

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 (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Ashta Chemicals

Why It Matters

Sectors

Agriculture

Downstream UsesNot recorded

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

•Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS7778-66-7

PubChem CID23665762

DTXSIDDTXSID6042317

FormulaClKO

Mol. Weight90.55 g/mol

SMILES[O-]Cl.[K+]

Data Sources

EPA CompTox (DSSTox) · DTXSID6042317Retrieved 2026-04-06
PubChem · compound 23665762Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Potassium hypochlorite (CAS 7778-66-7) https://chemicalindependence.com/chemical/7778-66-7/ EPA CompTox (DSSTox): DTXSID6042317. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6042317 PubChem: 23665762. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/23665762 EPA Chemical Data Reporting: 7778-66-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7778-66-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 282890 for CAS 7778-66-7. Reporting year: 2024. https://usatrade.census.gov/