Fast Green Base B from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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