Acetoacetsulfanilic Acid Potassium Salt from Japan
Acetoacetsulfanilic acid, potassium salt is a sulfonated aromatic amide salt used in dye coupling and pharmaceutical synthesis. It is explicitly named in HTS 2924.29.23.00, fitting Chapter 29 as an inorganic salt of an organic amide compound per note on salts.
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
• Provide assay confirming potassium salt form to avoid reclassification; label for identification per note (g)
• Pitfall: bulk vs diluted forms may trigger heading 2940 if sugar-related