2931.90.90.52/Tributyltin Chloride Stabilizer/Japan

Tributyltin Chloride Stabilizer from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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