n-Propylphosphonyl Difluoride from Germany
n-Propylphosphonyl difluoride (CH3CH2CH2P(O)F2) features a straight-chain propyl group on the P(O)F2 structure. Falls squarely under HTS 2931.59.00.15 as the n-propyl variant of alkyl phosphonyl difluorides in the halogenated organo-phosphorus category. Employed in flame retardant precursor synthesis.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label with GHS corrosive/toxic pictograms; missing labeling causes FDA/CBP rejection at entry
• File EEI with exact quantity <100g exemption limits for CWC chemicals to avoid license
• Test for isomer purity—n-propyl vs iso contamination affects statistical reporting suffix