Diphenylphosphinous Chloride from Japan
A phosphorus halide with two phenyl groups, used as a synthetic intermediate for phosphine ligands. This aromatic organo-inorganic compound is covered by HTS 2931.90.30.00 per additional U.S. note 3. The P-C aromatic bonds and phosphorus halide functionality define its classification.
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
• Furnish 31P NMR spectra confirming aromatic phosphine structure
• Handle as corrosive/hydrolytic material; provide proper UN shipping documentation
• Differentiate from Chapter 28 phosphorus compounds by organic substituent dominance