Tetrazolium Blue Chloride from Japan
Diazo-tetrazolium salt used in photographic redox imaging and viability staining for film quality control. HTS 2927.00.25.00 covers this as a photographic chemical despite dual lab uses.
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
• Emphasize photographic end-use over biological to secure preferred tariff treatment
• Include SDS with GHS classification for diazo salt hazards
• Limit quantity per shipment to avoid bulk chemical mixture scrutiny