Tetramethyl Lead (TML)
Tetramethyl lead (TML) is a liquid organolead compound with the formula Pb(CH3)4, used as an antiknock agent. It is explicitly named in tariff item 2931.10.00 and qualifies as a separate chemically defined organo-inorganic compound under Chapter 29.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a mixture of tetramethyl lead with other organo-inorganic compounds
The residual subheading covers other organo-inorganic compounds when the product is not a single named compound.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Declare the product as tetramethyl lead, not as a fuel additive, to avoid misclassification under other headings
• Provide an SDS and confirm the product is not put up in a form for retail sale
• Check if the import is restricted under Canadian regulations for lead substances
Related Products under Tariff item 2931.10.00
High-Purity Tetraethyl Lead (99.99%)
High-purity tetraethyl lead (99.99%) is a separate chemically defined organo-inorganic compound, explicitly named in tariff item 2931.10.00. It is imported for research or calibration standards, meeting Chapter 29 note 1(a) as a pure compound without impurities that alter its general use.
Industrial Tetraethyl Lead Concentrate
Industrial tetraethyl lead concentrate is a chemically defined organo-inorganic compound used for fuel blending. It falls under tariff item 2931.10.00 as the named compound, provided it is not put up in a form for retail sale or mixed with other substances that would change its classification.
Stabilized Tetramethyl Lead for Transport
Stabilized tetramethyl lead for transport includes a stabilizer necessary for preservation or transport, as allowed by Chapter 29 note 1(f). The product remains a separate chemically defined compound under tariff item 2931.10.00, as the stabilizer does not render it suitable for a specific use.
Tetraethyl Lead Anti-Dusting Formulation
Tetraethyl lead anti-dusting formulation contains a minimal anti-dusting agent added for safety, as permitted by Chapter 29 note 1(g). The product is classified under tariff item 2931.10.00 because the addition does not make it particularly suitable for a specific use beyond general handling.
Tetraethyl Lead Calibration Standard
Tetraethyl lead calibration standard is a certified analytical standard, often dissolved in water or another solvent for use in spectroscopy. It falls under tariff item 2931.10.00 as a separate chemically defined compound, provided the solvent is for safety or transport and not for a specific analytical use.
Tetraethyl Lead (TEL)
Tetraethyl lead (TEL) is a colorless, oily liquid organometallic compound with the formula Pb(C2H5)4, historically used as an antiknock additive in gasoline. It is explicitly named in tariff item 2931.10.00 and qualifies as a separate chemically defined organo-inorganic compound under Chapter 29.