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Diphenylphosphane Borane Complex from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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