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Copper(I) sulfate

CAS 17599-81-4

Sulfuric acid, copper(1+) salt (1:2)

Molecular structure of 17599-81-4
2 Cu⁺
US productionNot reported
Import value, 2024$104M
Top sourceMexico 60%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. 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

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

Why It Matters

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

Chemical Identity

CAS17599-81-4
PubChem CIDNot recorded
DTXSIDDTXSID30889663
FormulaCu2O4S
Mol. Weight223.15 g/mol
SMILES[Cu+].[Cu+].[O-]S([O-])(=O)=O

Data Sources

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Brief citations

Copper(I) sulfate (CAS 17599-81-4) https://chemicalindependence.com/chemical/17599-81-4/ EPA TSCA Inventory: CAS 17599-81-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283325 for CAS 17599-81-4. Reporting year: 2024. https://usatrade.census.gov/