</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

2-Methyl-1,3-Propanediol from Japan

2-Methyl-1,3-propanediol (MPDiol) is a branched acyclic diol used in polyester resins and coatings, classified under HTS 2905.39.90.00 as an 'other' diol. The methyl substitution maintains its acyclic alcohol character.

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

Provide GC-MS analysis showing >98% single isomer purity for Chapter 29 eligibility

Declare as 'diol intermediate' not 'solvent' on commercial invoice

Ensure packaging meets UN standards for flammable liquids (Class 3)