Tetramethylthiuram Monosulfide (TMTM)
Tetramethylthiuram monosulfide (TMTM) is a thiuram compound derived from dimethyldithiocarbamates, used as a rubber accelerator. It is classified under tariff item 2930.10.00 as an organo-sulphur compound.
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 TMTM is not specifically named and falls under other organo-sulphur compounds.
Residual subheading for organo-sulphur compounds.
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
• Ensure TMTM is a separate chemically defined compound
• If it is mixed with other accelerators, it may be classified elsewhere; provide purity data to CBSA
Related Products under Tariff item 2930.10.00
2-(N,N-Dimethylamino)ethanethiol
2-(N,N-Dimethylamino)ethanethiol is a chemically defined organic compound featuring a thiol (-SH) group and a dimethylamino substituent. It is classified under tariff item 2930.10.00 as an organo-sulphur compound, specifically named in the item description.
Dimethyldithiocarbamic Acid
Dimethyldithiocarbamic acid is an organo-sulphur compound with a dithiocarbamate structure (S-C-N bonds). It is a chemically defined compound and falls under tariff item 2930.10.00 as a dithiocarbamate derivative.
Ferbam (Iron Dimethyldithiocarbamate)
Ferbam is the iron(III) complex of dimethyldithiocarbamic acid, an organo-sulphur compound with metal-sulphur-carbon linkages. It is classified under tariff item 2930.10.00 as a dithiocarbamate salt, per Chapter 29 Note 5(C)(1).
Metham Sodium (Sodium Methyldithiocarbamate)
Metham sodium is the sodium salt of methyldithiocarbamic acid, an organo-sulphur compound used as a soil fumigant. It falls under tariff item 2930.10.00 as a dithiocarbamate salt, per Chapter 29 Note 5(C).
Sodium Dimethyldithiocarbamate Solution 40%
This is a 40% aqueous solution of sodium dimethyldithiocarbamate, a dithiocarbamate salt dissolved in water. It is classified under tariff item 2930.10.00 per Chapter 29 Note 1(d), as the solution is a normal method for transport.
Thiram (Tetramethylthiuram Disulfide)
Thiram (tetramethylthiuram disulfide) is a thiuram disulfide fungicide and rubber accelerator. It is an organo-sulphur compound classified under tariff item 2930.10.00 as a thiuram derivative.