Diacetylaminosulfonic Acid Potassium Salt from Canada
Synonymous with acetoacetsulfanilic acid potassium salt, this dye coupler is a named product in HTS 2924.29.23.00, classified as an aromatic amide salt under Chapter 29 salt rules.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• pH test for salt confirmation; declare for azo dye use if applicable
• Avoid note (h) dilution misdeclaration