4-Dimethylaminophenylarsine Drug Intermediate from Japan
This aromatic organo-arsenic compound serves as a key intermediate in synthesizing anti-parasitic drugs. Classified under HTS 2931.90.22.00 due to its aromatic structure with arsenic directly bonded to carbon and designated pharmaceutical application.
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
• Submit synthesis pathway documentation proving direct C-As bond to avoid reclassification as sulfonated derivative
• Include end-use statement from pharmaceutical manufacturer to maintain 'drugs' designation
• Monitor REACH/TSCA registration for arsenic compounds to ensure environmental compliance