n-Propylphosphonic Dichloride from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Label shipments with GHS corrosive pictograms and 'RQ' if exceeding reportable quantities
• Obtain end-user statements for anti-proliferation compliance due to dual-use potential
• Test for stabilizer content to ensure Chapter 29 note (f) applicability