Polyethylene Glycol Diacetate from China
Diacetate ester of polyethylene glycol, featuring multiple acetate ester groups and ether oxygen functions on the PEG chain. Classified in 2918.99.5000 as carboxylic ester with additional oxygen function. Used in pharmaceuticals and polymer synthesis.
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
• Specify molecular weight (e.g
• PEG-400 diacetate) and ester content in commercial invoice
• Molecular weight >1000 Da may trigger polymer classification review under Chapter 39
• Avoid 'solvent' descriptions; emphasize chemical identity to maintain Chapter 29 status