Diacetylaminosulfonic Acid Potassium Salt from China
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 — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• pH test for salt confirmation; declare for azo dye use if applicable
• Avoid note (h) dilution misdeclaration