Dipentaerythritol Pentaacetate from Canada
Dipentaerythritol pentaacetate forms from dipentaerythritol, a higher polyhydric alcohol, esterified with acetic acid. Classifies under HTS 2915.39.47.00 meeting all Chapter 29 criteria for chemically defined acetic acid esters. Used in high-performance coatings and inks.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6094.5%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
• HPLC purity analysis (min 95%) essential; partial acetylation products have different HTS
• Declare as non-hazardous but include GHS labeling per OSHA HazCom 2012
• Avoid generic 'polyol ester'; specific chemical nomenclature prevents 2915.90 misrouting