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Copperas Crystals (Ferrous Sulfate) from Canada

Copperas, or green vitriol, refers to large crystals of ferrous sulfate heptahydrate used in gardening and pigment production. Classified in HTS 2833.29.20.00 as other sulfates of iron, distinct from alums.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Use commercial invoices specifying 'copperas' with chemical formula for Customs

Test for heavy metal impurities to meet environmental import standards

Ship in HDPE drums to prevent leakage common with hydrated salts

Copperas Crystals (Ferrous Sulfate) from Canada — Import Duty Rate | HTS 2833.29.20.00