2,4-Dinitrophenylhydrazine from Mexico
2,4-Dinitrophenylhydrazine (DNPH) is a dinitrated phenylhydrazine derivative, chemically defined, used for aldehyde and ketone detection. It is a hydrazine derivative with nitro groups, which are not considered nitrogen functions per Chapter 29 Note 4. It falls under tariff item 2928.00.00 as an organic derivative of hydrazine.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product is not a mixture—pure DNPH is required
• Note that nitro groups do not exclude it from heading 2928
• Have the chemical structure and purity certificate for customs