Diphenylphosphane Borane Complex from China
This stable complex (Ph2PH·BH3) features direct P-C bonds and P-B coordination, qualifying as organo-inorganic under Chapter 29. Classified HTS 2931.49.0080 as non-halogenated organo-phosphorus derivative. Used for hydrophosphination and as phosphine transfer reagent.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include molecular formula confirmation (C12H14BP) and complex stability data
• Class 4.1 flammable solid; ensure proper UN packaging group II
• Avoid moisture exposure documentation required for CBP inspection