Tributyltin Chloride Stabilizer
Tributyltin chloride is an organotin compound used as a PVC stabilizer and biocide. Falls under 2931.90.90.52 as an organo-inorganic compound with tin-carbon bonds, distinguished from sulfonated derivatives.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as organo-tin compound specifically
Some organotins have specific provisions; confirm statistical suffix applicability.
If when formulated as pesticide or biocide
Goods put up for retail pesticide sale shift to Chapter 38.
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Import Tips & Compliance
• TBT compounds restricted under Aquatic Nuisance Species Act; require EPA TSCA approval
• Include butyltin speciation analysis to confirm structure
• Hazardous waste manifest required for >1000 lb shipments
Related Products under HTS 2931.90.90.52
Tetraethyl Lead Additive
Tetraethyl lead (TEL) is an organo-inorganic compound used historically as an anti-knock additive in gasoline, containing lead atoms directly linked to carbon. It falls under HTS 2931.90.90.52 as 'other organo-inorganic compounds' per Chapter 29 notes defining compounds with nonmetals or metals directly bonded to carbon. Excluded from other headings due to its specific organometallic structure.
Trimethylindium Precursor
Trimethylindium (TMIn) is a volatile organo-indium compound used in metal-organic chemical vapor deposition (MOCVD) for semiconductor production. Classified under 2931.90.90.52 as an organo-inorganic compound with direct indium-carbon bonds, fitting Chapter 29 definitions excluding sulfonated/halogenated derivatives.
Triphenylbismuth Catalyst
Triphenylbismuth is an organobismuth compound used as a catalyst in organic synthesis and polymer production. It qualifies for 2931.90.90.52 as an organo-inorganic compound with bismuth directly linked to carbon atoms, per Chapter 29 note definitions.
Cyclopentadienyl Manganese Tricarbonyl
Cyclopentadienyl manganese tricarbonyl (CMT) is an organometallic compound used as an antiknock additive in fuels (MMT precursor). Falls under 2931.90.90.52 as 'other organo-inorganic compounds' with manganese-carbon bonds directly linked.
Dimethylcadmium Reagent
Dimethylcadmium is a highly reactive organocadmium compound used in organometallic synthesis and semiconductor production. Classified in 2931.90.90.52 as an organo-inorganic compound with cadmium atoms directly bonded to carbon.
Allylchlorosilane Intermediate
Allylchlorosilane (chlorodimethylallylsilane) is an organosilicon compound used in silicone polymer synthesis. Falls under 2931.90.90.52 as an organo-inorganic compound with silicon-halogen-carbon structure, excluded from organo-sulfur classification.