C.I. Fast Navy Base 2B from China
C.I. Fast Navy Base 2B produces deep navy shades via coupling with naphthol AS-BS. Sulfonamide structure provides excellent coupling efficiency. HTS 2935.90.20.00 applies.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Dust mask requirement for handling; verify no azo dye restrictions; nitrogen purging for storage