Dimethylamine Sulfate from Mexico
Dimethylamine sulfate is a salt of dimethylamine with sulfuric acid, used in dye intermediates and as a stabilizer. As a salt of a simple acyclic monoamine, it falls under heading 29.21 and specifically under tariff item 2921.11.00 as a salt of dimethylamine. The presence of the sulfate anion does not change the classification, as inorganic salts of organic bases are classified with the organic compound.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is described as dimethylamine sulfate on the commercial invoice, with the correct CAS number
• If the product is imported in solution, check the concentration and whether it falls under the same tariff item
• Be prepared to provide a certificate of analysis to verify the chemical composition for customs