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Polyphosphoric Acid 83-85% P2O5 from Canada

A superphosphoric acid containing 83-85% P2O5, used in the production of phosphate esters and as a catalyst in polymerization reactions. Classified under HTS 2809.20.00.40 due to its polyphosphoric composition exceeding standard orthophosphoric acid.

Duty Rate — Canada → United States

10%

Rate breakdown

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

Import Tips

Include detailed compositional analysis showing polyphosphate chains to distinguish from 2809.20.0010

Comply with DOT/UN shipping requirements for corrosive liquids; use polyethylene-lined drums

Check for phosphorus content restrictions under TSCA; register if new chemical use

Polyphosphoric Acid 83-85% P2O5 from Canada — Import Duty Rate | HTS 2809.20.00.40