Trimethyl Phosphite (TMPi) from Japan
Trimethyl phosphite, a phosphorous acid ester, serves as a reagent in organic synthesis, antioxidant production, and pesticide manufacturing. HTS 2920.90.51.00 applies to its status as an inorganic nonmetal acid ester. Highly reactive reducing agent.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%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
• DOT hazardous material shipping papers mandatory due to pyrophoric tendencies
• Stabilizer addition documentation prevents reclassification as mixture