Tributyltin Chloride Stabilizer from Mexico
Tributyltin chloride is an organotin compound used as a PVC stabilizer and biocide. Falls under 2931.90.90.52 as an organo-inorganic compound with tin-carbon bonds, distinguished from sulfonated derivatives.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• TBT compounds restricted under Aquatic Nuisance Species Act; require EPA TSCA approval
• Include butyltin speciation analysis to confirm structure
• Hazardous waste manifest required for >1000 lb shipments