Industrial Grade Butyl Methylphosphinate 98% from Canada
High-purity (98%) butyl methylphosphinate used in polymer flame retardant synthesis, specifically classified under HTS 2931.49.0015 as a non-halogenated organo-phosphorus derivative. Meets chapter note requirements for separate chemically defined compounds.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include REACH/ TSCA registration numbers on commercial invoice; test for heavy metal impurities that could trigger 2931.00 classification
• Use UN-approved phosphorous compound packaging