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n-Butyl-(Dipropylamino)butylidene Phosphonamidic Fluoride Hydrochloride from Canada

The protonated hydrochloride salt of a C4 phosphonamidic fluoride with di-n-propylamino functionality, all chains ≤C10, qualifying under HTS 2931.59.0030 which explicitly includes alkylated/protonated salts. These salts improve handling stability for transport in pharmaceutical synthesis. Exact structural match to the subheading's chemical definition.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Salt form requires counterion specification in technical documentation; mismatch can cause reclassification

DOT hazardous material declaration mandatory - typically Class 6.1 toxic substance

n-Butyl-(Dipropylamino)butylidene Phosphonamidic Fluoride Hydrochloride from Canada — Import Duty Rate | HTS 2931.59.00.30