Fast Green Base B from Japan
Fast Green Base B serves as an aromatic amide fast color base for green azo dyes exhibiting high fastness to perspiration and chlorine. Classified in HTS 2924.29.52.00 under cyclic amide derivatives for dye synthesis.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ensure declaration specifies 'fast color base' to distinguish from pigments; TSCA registration for US import
• Pitfall: water solutions may need note (d) verification