Copperas Crystals (Ferrous Sulfate) from China
Copperas, or green vitriol, refers to large crystals of ferrous sulfate heptahydrate used in gardening and pigment production. It is classified under tariff item 2833.29.00 as an 'Other' sulfate of iron.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is identified as ferrous sulfate heptahydrate
• Provide the chemical formula and purity on the commercial invoice
• If used in gardening, verify any additional regulatory requirements