Fast Red Base B (4-Amino-2-Chloro-5-Methoxy-Toluidine) from Japan
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 — 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
• Dye index reference (Base B Salt) and coupling test data
• Chlorine content analysis prevents halogenated hydrocarbon confusion
• Pigment manufacturer specifications confirm Chapter 29 applicability