2931.90.90.29/Monobutyltin Tris-(2-ethylhexylmercaptoacetate)/Japan

Monobutyltin Tris-(2-ethylhexylmercaptoacetate) from Japan

This organo-tin stabilizer features a tin atom bonded to butyl and mercaptoacetate groups, used in PVC processing. Classified under HTS 2931.90.90.29 for other organo-tin compounds due to the defining Sn-C bond structure.

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

• Submit EPA PMN data if new formulation; existing stabilizers need TSCA inventory confirmation

• Ensure declaration specifies organo-tin content to avoid bulk chemical mixtures under 3824