1-Hydroxy-N,N-diethyl-3-oxo-1H-indole-2-propanamide from Japan
An indolic coupler derivative used in photographic color development for fine-grain magenta dyes with controlled solubility. The heterocyclic amide structure ensures compatibility with aqueous processing. Classified under HTS 2933.99.24.00 for photographic use.
Duty Rate — Japan → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Amide-function confirmation per heading provisions; provide solubility parameters; ensure coupler reactivity data for verification