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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a simple metal salt without direct carbon-metal bond
Simple inorganic lead salts like lead acetate fall under Chapter 28 as other inorganic compounds.
If when pre-mixed as anti-knock preparation for gasoline
Mixtures containing organometallics for specific fuel use classified as fuel additives in heading 3811.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Verify chemical purity and provide Safety Data Sheets (SDS) compliant with TSCA regulations for lead compounds
• Obtain EPA approvals for any fuel additive imports; declare as hazardous material under DOT standards
• Avoid misclassification as simple metal compounds; confirm direct C-Pb bond via lab analysis
Related Products under HTS 2931.90.90.52
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.
Methyltriphenylphosphonium Bromide
Methyltriphenylphosphonium bromide is a phosphonium salt used in Wittig reagent preparation for olefin synthesis. Classified under 2931.90.90.52 as an organo-inorganic compound per Chapter 29 note (C)(1) for organic salts.