Copper hydroxide sulfate (Cu4(OH)6(SO4))

CAS 1333-22-8

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

Molecular structure of 1333-22-8 — 6 OH⁻ · 4 Cu²⁺

US productionCBI

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

Import value, 2024$104M

Top sourceMexico 60%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283325 · narrow

EPA reports by year

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

These shares come from HS customs code 283325, which covers 5 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).

MX 60%MexicoTW 12%TaiwanCA 8%CanadaPE 8%PeruBR 4%Brazil

Colombia
Malaysia
Japan
Austria
India
Germany
Uzbekistan
South Korea
Spain
Mauritius
Vietnam
United Kingdom

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.

The Shepherd Material Science

Why It Matters

Sectors

Textiles

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

•Pigment in Synthetic Dye and Pigment ManufacturingProcessing as a reactant

Chemical Identity

CAS1333-22-8

PubChem CID15825719

DTXSIDDTXSID6057958

FormulaCu4H6O10S

Mol. Weight452.29 g/mol

SMILES[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[O-]S(=O)(=O)[O-].[Cu+2].[Cu+2].[Cu+2].[Cu+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID6057958Retrieved 2026-04-06
PubChem · compound 15825719Retrieved 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

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Brief citations

Copper hydroxide sulfate (Cu4(OH)6(SO4)) (CAS 1333-22-8) https://chemicalindependence.com/chemical/1333-22-8/ EPA CompTox (DSSTox): DTXSID6057958. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6057958 PubChem: 15825719. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15825719 EPA Chemical Data Reporting: 1333-22-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1333-22-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283325 for CAS 1333-22-8. Reporting year: 2024. https://usatrade.census.gov/