Polyethylene Glycol Di-n-propyl Ether (PEG-400) from Canada
PEG-400 di-n-propyl ether has propylene ether termini on poly(ethylene glycol) 400 chain. While PEG ethers often fall in 2909.19.20, this propyl derivative classified as 'other' in HTS 2909.19.60.00. Used in drug delivery formulations.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Molecular weight distribution critical for polymer vs discrete compound classification
• Pharmaceutical grade requires DMF filing and GMP certification
• Distinguish alkyl chain length for specific subheading determination