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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered primarily tin chloride
Inorganic chlorides in Chapter 28; Sn-C bonds classify as organo-inorganic in 2931.
If organo-mercury instead of tin
Organo-mercury compounds have separate heading 2931.10.
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Import Tips & Compliance
• TSCA Section 5 premanufacture notice often required for organotin intermediates
• Ship with UN 2788 proper shipping name and Class 6.1 poison label
• Confirm no halogenated organic impurities pushing to earlier 2903-2920 headings
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.
Cyclic Trimethylenetricarboxylic Triamide Tin Complex
Specialty organo-tin complex for polymer catalysis with tin directly linked to carbon atoms. HTS 2931.90.90.29 applies as other organo-tin not specifically provided for.