Dibutyltin Dilaurate Catalyst
Dibutyltin dilaurate (DBTDL) is an organotin catalyst for silicone and polyurethane curing. 2931.90.90.52 as organo-inorganic ester of carboxylic acid per Chapter 29 note 5(A).
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Import Tips & Compliance
• REACH Candidate SVHC; provide safe use instructions and exposure scenarios
• Toxicity Category II; child-resistant packaging for >10L containers
• Tin content analysis required for RoHS compliance
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.