Diazo Red B Base from Japan
Diazo Red B Base is an aromatic diazonium salt used in coupling reactions to produce red azo dyes for printing inks and plastics. Classified under HTS 2927.00.50.00 as 'other' diazo-compounds, it meets Chapter 29 requirements for separate chemically defined organic compounds. The diazo group (-N2+) defines its chemical identity.
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
• Store and ship below 5°C to prevent decomposition during transit; include GHS safety data sheets specifying diazonium salt hazards; check for anti-dumping duties on Chinese-origin dye intermediates