2931.90.10.00/Doverphos S-480 Phosphite Ester Antioxidant/China

Doverphos S-480 Phosphite Ester Antioxidant from China

Doverphos S-480 is the trade name for 4,4'-diphenylbisphosphonous acid di(2',2",4',4"-di-tert-butyl)phenyl ester, a high-performance secondary antioxidant for polyolefin processing. Classified specifically under HTS 2931.90.10.00 as the named aromatic organo-inorganic phosphorus compound per Chapter 29 hierarchy.

Duty Rate — China → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Include TSCA certification for US import; REACH compliance docs for EU origin goods

• Avoid bulk mixtures - pure compound qualifies for 2931; admixtures go to 3824

Doverphos S-480 Phosphite Ester Antioxidant from China — Import Duty Rate | HTS 2931.90.10.00