Phosphonate Flame Retardant Intermediate 2931.47 from Germany

A purified batch of (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate used as a key intermediate in synthesizing phosphorus-based flame retardants for textiles. Classified under HTS 2931.47.00.00 due to its non-halogenated organo-phosphorus structure with direct C-P bonds.

Duty Rate — Germany → United States

13.7%

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

Import Tips

Include Safety Data Sheet (SDS) and purity certificate (>98%) to substantiate chemical identity for CBP review

Avoid anti-dusting agents that could trigger reclassification under general chemical mixtures if exceeding Chapter 29 note (g) limits

Confirm bulk industrial packaging to distinguish from diluted retail preparations excluded by Chapter notes