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CAS 65481-32-7 3,9-Dimethylspiro[5.5]undecane Phosphonate Dioxide from Canada

Identified by CAS 65481-32-7, this is pure 3,9-dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 3,9-dioxide, a building block for organophosphorus ligands. HTS 2931.48.00.00 covers it as a non-halogenated organo-phosphorus derivative.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

Import Tips

• Reference CAS number on all shipping docs for rapid identification

• Ensure no impurities push it into mixtures excluded by Chapter notes

• Use UN-approved packaging for phosphorus compounds