Calcium hypochlorite

CAS 7778-54-3

Hypochlorous acid, calcium salt (2:1)

U.S. production volumes are classified as confidential business information.

Molecular structure of 7778-54-3 — 1 Ca²⁺

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

Customs basis: HS 282810 · exact

EPA reports by year

2023: US production Confidential · Imports Confidential

EPA-registered importers (1)

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

Water Solutions Un

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS7778-54-3

PubChem CIDNot recorded

DTXSIDDTXSID1029700

FormulaCaCl2O2

Mol. Weight142.98 g/mol

SMILES[Ca++].[O-]Cl.[O-]Cl

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Calcium hypochlorite (CAS 7778-54-3) https://chemicalindependence.com/chemical/7778-54-3/ EPA TSCA Inventory: CAS 7778-54-3. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 7778-54-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting