CAS 65481-32-7 3,9-Dimethylspiro[5.5]undecane Phosphonate Dioxide from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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