Dimethyltin Dichloride from Canada
Organo-tin compound used as PVC stabilizer precursor with methyl groups directly bonded to tin. Classifies under HTS 2931.90.90.29 per Chapter 29 notes on organo-inorganic 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
• TSCA Section 5 premanufacture notice often required for organotin intermediates
• Ship with UN 2788 proper shipping name and Class 6.1 poison label
• Confirm no halogenated organic impurities pushing to earlier 2903-2920 headings