Flag of the United StatesAmerican Chemical Independence

Basic copper sulfate

CAS 1344-73-6

Sulfuric acid, copper salt, basic

Molecular structure of 1344-73-6
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

CAS1344-73-6
PubChem CIDNot recorded
DTXSIDDTXSID4034944
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

← Back to Dashboard

Brief citations

Basic copper sulfate (CAS 1344-73-6) https://chemicalindependence.com/chemical/1344-73-6/ EPA TSCA Inventory: CAS 1344-73-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 283325 for CAS 1344-73-6. Reporting year: 2024. https://usatrade.census.gov/