2-(2',4'-Diamino-5'-methylphenylazo)-5-carbethoxyaniline from China
A carbethoxy-substituted azo coupler for photographic magenta dye formation with improved keeping properties. The aromatic heterocyclic system participates in chromogenic development reactions. Its specific role in photography qualifies it for HTS 2933.99.24.00.
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
• Ester-function classification per Chapter 29 note 3(A); provide ester hydrolysis stability data; declare azo coupling efficiency