C.I. Fast Red Base KB from Japan
C.I. Fast Red Base KB is a diazo compound used as a fast color base in the production of azo dyes for textile printing and coloration. It reacts with couplers to form stable, lightfast colorants on fabrics. Classified under HTS 2927.00.30.00 as a fast color base per Chapter 29 diazo compounds.
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 chemical purity certificates to confirm classification as fast color base, not finished dye (Chapter 32)
• Include Safety Data Sheets (SDS) and CAS number documentation for customs clearance
• Avoid misclassification as general diazo compounds; specify 'fast color base' in commercial invoice