Fast Red Base B from Japan
Fast Red Base B is an aromatic monoamine derivative used as a diazo component in the production of azo dyes with excellent color fastness. It falls under HTS 2921.49.32.00 as a fast color base, being a chemically defined amine-function compound specifically designed for dye coupling processes. This product enables vibrant, stable red shades in textile and leather dyeing applications.
Duty Rate — Japan → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify purity certificates and CAS number matching to confirm classification as a fast color base under Chapter 29
• Include Safety Data Sheets (SDS) and ensure packaging complies with DOT hazardous material transport regulations
• Avoid misclassification by confirming the product is not pre-coupled or diluted beyond standard strengths for dye production