Propylphosphonic Dichloride
Propylphosphonic dichloride is a halogenated organo-phosphorus compound with the formula C3H7P(O)Cl2, classified under HTS 2931.52.00.00 as a specific halophosphonate derivative containing phosphorus directly linked to carbon. It serves as a key reagent in organic synthesis for producing phosphonate esters and flame retardants.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing other organo-phosphorus groups beyond simple propylphosphonic structure
More complex halogenated organo-phosphorus derivatives fall under the residual 'other' subheading in 2931.90
If classified primarily by sulfur functionality with incidental phosphorus
Organo-sulfur compounds take precedence per Chapter Note 3 if sulfur is directly linked to carbon, shifting from heading 2931
If imported as a mixture or solution for specific industrial use rather than pure compound
Solutions exceeding Chapter 29 note (e) limits (safety/transport only) are classified as chemical preparations in Chapter 38
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Import Tips & Compliance
• Ensure packaging complies with DOT hazardous material regulations for corrosive liquids; provide Safety Data Sheets (SDS) in English
• Verify purity certificates to confirm classification under Chapter 29 note (a) for chemically defined compounds
• Avoid misclassification as pesticide intermediates without proper documentation
Related Products under HTS 2931.52.00.00
3-Propanephosphonic Acid Dichloride
3-Propanephosphonic acid dichloride, synonymous with propylphosphonic dichloride, is a reactive P-Cl compound used in phosphorylation reactions. It falls under HTS 2931.52.00.00 due to its halogenated organo-phosphorus structure with direct C-P bond. Primarily employed in synthesizing agrochemicals and surfactants.
n-Propylphosphonic Dichloride
n-Propylphosphonic dichloride is the straight-chain isomer of this dichloride, a colorless liquid reactive towards nucleophiles. Classified in HTS 2931.52.00.00 as it matches the legal definition of halogenated organo-phosphorus compounds in heading 2931. Used in flame retardant production and peptide synthesis.