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Ammonium Hypophosphite from Canada

Ammonium hypophosphite (NH4H2PO2) is used in chemical reduction processes and polymer stabilizers. Classified as a phosphinate under HTS 2835.10.00.00 since chapter notes include ammonium salts. It is a white crystalline solid with strong reducing properties.

Duty Rate — Canada → United States

13.1%

Rate breakdown

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

Import Tips

Include ammonium content certification; store below 60°C to prevent decomposition; segregate from oxidizers in shipping docs

Ammonium Hypophosphite from Canada — Import Duty Rate | HTS 2835.10.00.00