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2931.90.90.52/Dibutyltin Dilaurate Catalyst/Canada

Dibutyltin Dilaurate Catalyst from Canada

Dibutyltin dilaurate (DBTDL) is an organotin catalyst for silicone and polyurethane curing. 2931.90.90.52 as organo-inorganic ester of carboxylic acid per Chapter 29 note 5(A).

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)
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Import Tips

• REACH Candidate SVHC; provide safe use instructions and exposure scenarios

• Toxicity Category II; child-resistant packaging for >10L containers

• Tin content analysis required for RoHS compliance