4-Amino-6-chloro-m-benzenedisulfonamide Technical Grade from Mexico
Technical grade 4-Amino-6-chloro-m-benzenedisulfonamide (95-98% purity) qualifies as a chemically defined organic compound containing sulfonamide groups, even with impurities. Used as an intermediate in pharmaceutical synthesis, it falls under tariff item 2935.90.00 as a sulfonamide compound not elsewhere specified.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide the exact purity percentage and impurity profile to confirm classification under Chapter 29 note 1(a)
• Verify that the product is not used as a fuel or in fire extinguishers, which would exclude it from Chapter 29