Tributyl Citrate (TBC) from China
Tributyl citrate is a citrate ester plasticizer approved for food contact and medical applications due to low toxicity. It provides good plasticity to PVC films and coatings. As an acyclic polycarboxylic acid triester used as plasticizer, it falls under HTS 2917.19.70.20.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6096%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
• Include FDA compliance letters for food contact notification if destined for packaging applications
• Provide acid value <0.2 mg KOH/g and APHA color <50 specs for classification confirmation
• Declare citrate origin (citric acid ester) to avoid confusion with phosphate plasticizers