m-Sulfaminopyrazolone (m-Sulfamido-phenyl methyl pyrazolone) from Japan
This compound features a sulfamido group at the meta position of a phenyl ring attached to a methylpyrazolone structure. Explicitly listed under HTS 2933.19.18.00 for its aromatic pyrazole ring system. Commonly used in the production of reactive dyes for textiles.
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 sulfamido group integrity via NMR spectroscopy in documentation; ensure packaging prevents moisture absorption; declare as potential skin irritant