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Diphenylphosphane Borane Complex from Japan

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 — Japan → United States

15%

Rate breakdown

9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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