4-Phenylpropylpyridine from China
4-Phenylpropylpyridine contains an unfused pyridine ring with phenylpropyl substitution, specifically named under HTS 2933.39.20.00. Used in pharmaceutical intermediates and as a fragrance component.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6094.2%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
• Submit HPLC chromatogram verifying single pyridine isomer purity
• Ensure proper flash point documentation for flammable liquid classification
• Include end-use declaration distinguishing pharma vs fragrance applications