n-Propylphosphonic dichloride from Germany
n-Propylphosphonic dichloride (CH3CH2CH2P(O)Cl2) contains a straight-chain propyl group attached to phosphorus with two chlorine atoms, qualifying under the specific HTS 2931.59.00.60 subcategory. This reagent is essential for producing phosphonate-based water treatment chemicals.
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
• Validate NMR spectra documentation proving n-propyl (not iso-propyl) configuration for customs verification
• Comply with REACH-like TSCA inventory requirements for new chemical substances
• Avoid glass containers; use PFA or PTFE-lined steel drums certified for corrosive phosphorus halides