Monobutyltin Tris-(2-ethylhexylmercaptoacetate)
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as formulated PVC stabilizer blend
Mixtures of chemicals for specific industrial uses fall under prepared binders Chapter 38.
If primarily classified by alcoholate function
Metal alcoholates classified with parent alcohols, but Sn-C bond takes precedence in 2931.
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Import Tips & Compliance
• 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
Related Products under HTS 2931.90.90.29
Tributyltin Oxide
Tributyltin oxide is an organo-tin compound where tin atoms are directly linked to carbon atoms in butyl groups, classifying it under HTS 2931.90.90.29 as other organo-tin compounds. It is commonly used as a biocide in antifouling paints for marine applications.
Dibutyltin Dilaurate
Dibutyltin dilaurate is an organo-tin catalyst with tin-carbon bonds, used primarily as a catalyst in silicone and polyurethane production. It falls under HTS 2931.90.90.29 as other organo-tin compounds per Chapter 29 notes on direct metal-carbon linkages.
Dioctyltin Bis-(2-ethylhexylmercaptoacetate)
A non-toxic organo-tin heat stabilizer for PVC with direct tin-carbon linkages in octyl groups. HTS 2931.90.90.29 applies to this other organo-tin compound per chapter notes excluding only specifically named compounds.
Tetra-n-propylthiuram Disulfide
Although primarily organo-sulfur, this thiuram accelerator contains tin impurities making it organo-inorganic under 2931 when tin-carbon bonds present. Falls under HTS 2931.90.90.29 as other organo-tin compounds.
Bis(tributyltin) Oxide
Biochemical reagent and antifouling agent with characteristic Sn-C bonds in tributyl groups. HTS 2931.90.90.29 covers this organo-tin compound excluded from specific subheadings.
Dimethyltin Dichloride
Organo-tin compound used as PVC stabilizer precursor with methyl groups directly bonded to tin. Classifies under HTS 2931.90.90.29 per Chapter 29 notes on organo-inorganic compounds.