Fast Red Base B (4-Amino-2-Chloro-5-Methoxy-Toluidine) from Mexico
Fast Red Base B is a substituted toluidine used as a diazo component for red pigment production. Complex substitution pattern retains toluidine classification under HTS 2921.43.90; pigment base purity >96% ensures chemical compound status.
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
• Dye index reference (Base B Salt) and coupling test data
• Chlorine content analysis prevents halogenated hydrocarbon confusion
• Pigment manufacturer specifications confirm Chapter 29 applicability