Diacetylaminosulfonic Acid Potassium Salt from Japan
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 — Japan → United States
27.5%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• pH test for salt confirmation; declare for azo dye use if applicable
• Avoid note (h) dilution misdeclaration