Assam Tea Dust for Pharmaceutical Caffeine from Japan
Assam black tea dust byproduct imported exclusively for pharmaceutical-grade caffeine production through supercritical CO2 extraction. This HTS 9814.00.50.00 classification applies because the tea material is completely chemically transformed, losing all original character during purification to USP-grade caffeine.
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
• Include detailed chemical process flow chart showing complete destruction of tea matrix
• Avoid common error of insufficient bonding - amount must cover full MFN duties if diverted
• HHS inspection may verify manufacturing facilities before release from customs custody