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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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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