Copper Phthalocyanine Tetrasulfonic Acid from Mexico
Copper phthalocyanine-3,3',4,4'-tetrasulfonic acid, specifically named in HTS 3204.12.20.00, serves as an intermediate for reactive dyes and direct dyes. Provides turquoise blue shades when applied to cotton and wool blends.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Chemical name must exactly match 'Copper phthalocyanine-3,3',4,4'-tetrasulfonic acid'
• Include molecular formula verification in supporting documentation
• Distinguish from pigment derivatives which classify differently