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
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• pH test for salt confirmation; declare for azo dye use if applicable
• Avoid note (h) dilution misdeclaration