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
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
• 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