Tetramethylthiuram Monosulfide (TMTM)

TMTM is a thiuram monosulfide rubber accelerator derived from dimethyl dithiocarbamates. Provided for in HTS 2930.10.01.00 as a thiuram compound under organo-sulfur heading 2930. Essential in tire manufacturing.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+10.0%13.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3812.10Higher: 15% vs 13.7%

If when sold as rubber chemical preparation

Prepared rubber accelerators in 3812 supersede pure compounds.

2930.90.29.00Higher: 31.5% vs 13.7%

If for monosulfide variants not listed

Residual dithiocarbamate/thiuram subheading.

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

Provide vulcanization end-use statement; test for nitrosamine byproducts

Package in nitrogen-flushed bags

Related Products under HTS 2930.10.01.00

2-(N,N-Dimethylamino)ethanethiol

2-(N,N-Dimethylamino)ethanethiol is a chemically defined organic compound containing a thiol (-SH) group directly linked to a carbon atom, with a dimethylamino substituent. It falls under HTS 2930.10.01.00 as a specific organo-sulfur compound listed in heading 2930 for dithiocarbamates and thiuram compounds precursors. This compound is used in pharmaceutical synthesis and as a reagent in organic chemistry.

Dimethyldithiocarbamic Acid

Dimethyldithiocarbamic acid is the parent compound for thiram fungicides, featuring a dithiocarbamate structure with S-C-N bonds. Classified under HTS 2930.10.01.00 as it matches the heading for dithiocarbamates and thiurams. Used in agrochemical manufacturing and rubber vulcanization.

Thiram (Tetramethylthiuram Disulfide)

Thiram is a thiuram disulfide fungicide and rubber accelerator with the formula (CH3)2NCS-S-SCSN(CH3)2. It is specifically provided for under HTS 2930.10.01.00 as a thiuram compound, an organo-sulfur derivative. Primarily used in seed treatment and as a protective agent.

Ziram (Zinc Dimethyldithiocarbamate)

Ziram is the zinc salt of dimethyldithiocarbamic acid, used as a fungicide with metal directly linked via sulfur to carbon. Falls under HTS 2930.10.01.00 per Chapter note 5(C)(1) classifying inorganic salts of organic compounds with the organic component. Common in orchard crop protection.

Ferbam (Iron Dimethyldithiocarbamate)

Ferbam is the iron(III) complex of dimethyldithiocarbamic acid, an organo-sulfur compound with metal-carbon linked via sulfur. Classified in HTS 2930.10.01.00 as a dithiocarbamate per heading provisions and Chapter notes. Used historically as a seed protectant.

Metham Sodium (Sodium Methyldithiocarbamate)

Metham sodium is the sodium salt of methyldithiocarbamic acid, a soil fumigant with dithiocarbamate structure. HTS 2930.10.01.00 covers it as a dithiocarbamate salt per Chapter note 5(C). Used for nematode control in agriculture.