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2931.48.00.00/CAS 65481-32-7 3,9-Dimethylspiro[5.5]undecane Phosphonate Dioxide/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

CAS 65481-32-7 3,9-Dimethylspiro[5.5]undecane Phosphonate Dioxide from Japan — Import Duty Rate | HTS 2931.48.00.00