Hexachlorobenzene

Drug ingredient

CAS 118-74-1

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.

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 382486 · exact

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

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.

Occidental Petroleum

1 FDA-registered drug labeler

Professional Complementary Health Formulas

Why It Matters

Sectors

Core ChemicalsHealth

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Chlorinated Ring Combination 9314
•POP Detox 6045

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 All Other Basic Organic Chemical ManufacturingProcessing as a reactant

Chemical Identity

CAS118-74-1

PubChem CID8370

DTXSIDDTXSID2020682

FormulaC6Cl6

Mol. Weight284.8 g/mol

SMILESC1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID2020682Retrieved 2026-04-06
PubChem · compound 8370Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07

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Brief citations

Hexachlorobenzene (CAS 118-74-1) https://chemicalindependence.com/chemical/118-74-1/ EPA CompTox (DSSTox): DTXSID2020682. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2020682 PubChem: 8370. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8370 EPA Chemical Data Reporting: 118-74-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 118-74-1. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/