Polyethylene Glycol Di-n-propyl Ether (PEG-400) from China
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 — China → United States
40.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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