Disodium Oxalate from China
Disodium oxalate is the anhydrous sodium salt of oxalic acid, used in water treatment and as a calibration standard. It is classified under the tariff item for oxalic acid salts, following the chapter rule that inorganic salts of organic acids are classified with the parent acid.
Duty Rate — China → Canada
0%
Import Tips
• Specify that the product is anhydrous disodium oxalate on the invoice to avoid confusion with hydrates
• Provide the purity level and CAS number for customs verification
• Declare the end-use (e.g
• water treatment) to support classification