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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically triphenyltin acetate variant
Named triphenyltin compounds have dedicated subheading .3000 within organo-tin.
If classified primarily as inorganic tin salt
Inorganic metal compounds in Chapter 28; organic Sn-C defines Chapter 29 classification.
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Import Tips & Compliance
• Restricted under International Maritime Organization AFS Convention; verify port-state controls
• Declare exact tributyltin content per EPA method 8270 for environmental compliance
• Pure form stays in 2931; antifouling paint mixtures shift to 3208 or 3808
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.
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.
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.