O-Isopropyl N,N-Dimethyl Phosphoramidocyanidate from China
This compound features an O-isopropyl group (C3 branched alkyl ≤C10) combined with N,N-dimethyl phosphoramidocyanidate, fitting HTS 2931.49.00.05 for non-halogenated organo-phosphorus derivatives. Chapter 29 classification applies due to its chemically defined structure with phosphorus-carbon linkage.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Label containers with exact chemical nomenclature and purity percentage to avoid disputes over 'chemically defined' status
• Prepare for TSCA (Toxic Substances Control Act) pre-manufacture notice if new to US inventory