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2931.90.90.25/Distilled Tetrabutyltin (Lab Grade)/Mexico

Distilled Tetrabutyltin (Lab Grade) from Mexico

Laboratory reagent grade Tetrabutyltin, vacuum distilled for high purity, classified under HTS 2931.90.90.25. The organotin structure with four butyl groups directly bonded to tin qualifies per heading 2931 definitions.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include lab analysis confirming >98% purity and C-Sn bonding

• Register as List I chemical if DEA controlled precursors present

• Small package exemption may apply for research quantities <100g

Distilled Tetrabutyltin (Lab Grade) from Mexico — Import Duty Rate | HTS 2931.90.90.25