7-Amino-1,3-naphthalenedisulfonic Acid Disodium Salt from United States
7-Amino-1,3-naphthalenedisulfonic Acid Disodium Salt is a disodium salt of a naphthalenedisulfonic acid with an amino group. It is used as an intermediate in dye coupling processes. This compound falls under tariff item 2921.45.00 as a salt of a naphthylamine derivative, with the amino function being the primary characteristic.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is labeled with its chemical identity and purity
• Check if the salt is subject to Canadian hazardous goods regulations if it is corrosive
• Maintain proper documentation for CBSA to verify the classification