1,5-Pentanediol from Japan
1,5-Pentanediol is a linear five-carbon acyclic diol used in cosmetics, inks, and polymer synthesis, classified under HTS 2905.39.90.00. Its structure fits perfectly within the 'other acyclic diols' category excluding ethylene glycol and glycerol.
Duty Rate — Japan → United States
22%
Rate breakdown
9903.04.629.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit NMR spectra confirming diol structure and acyclic nature during customs review
• Label containers clearly as 'chemical intermediate' not 'solvent' to prevent Chapter 38 misclassification
• Document transport stabilizer additions per Chapter 29 note (f) safety provisions