Dipropyl-N,N-dipropyl phosphoramidate from China

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 — China → United States

31.5%

Rate breakdown

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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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