Dipropyl-N,N-dipropyl phosphoramidate from Japan
Dipropyl-N,N-dipropyl phosphoramidate uses n-propyl groups as the dialkyl substituents on both P and N atoms, fitting HTS 2929.90.50.20 exactly. This compound serves as an intermediate in the production of flame retardants and specialty polymers.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
• Confirm n-propyl vs isopropyl configuration via NMR spectra in supporting documentation
• Register with TSCA for commercial chemical import and maintain 90-day pre-manufacture notice if applicable
• Use temperature-controlled packaging to prevent decomposition during ocean freight transit