Tetramethylthiuram Monosulfide (TMTM)

TMTM serves as a rubber accelerator and vulcanizing agent with aromatic dithiocarbamate structure. HTS 2930.20.20.50 covers this as an 'other' aromatic thiocarbamate per Chapter 29 organo-sulfur provisions. Technical grade distinguishes from formulated rubber chemicals.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChina6.5%โ€”6.5%
๐Ÿ‡ฒ๐Ÿ‡ฝMexico6.5%โ€”6.5%
๐Ÿ‡จ๐Ÿ‡ฆCanada6.5%โ€”6.5%
๐Ÿ‡ฉ๐Ÿ‡ชGermany6.5%โ€”6.5%
๐Ÿ‡ฏ๐Ÿ‡ตJapan6.5%โ€”6.5%

Alternative Classifications

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

3812.10Higher: 15% vs 6.5%

If when sold as prepared rubber accelerator

Functional preparations for rubber industry classified in Chapter 38.

2930.90Higher: 13.7% vs 6.5%

If non-aromatic thiuram compounds

Aromatic vs aliphatic structure determines 2930.20 vs 2930.90 placement.

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Import Tips & Compliance

โ€ข Provide vulcanization test data confirming chemical accelerator function

โ€ข Ensure dust-free packaging with anti-caking agents per Chapter 29 note (f) allowances

โ€ข Cross-check against AD/CVD orders for Indian and Chinese producers

Related Products under HTS 2930.20.20.50

Ziram Fungicide

Ziram is a dimethyl dithiocarbamate fungicide used primarily in agriculture for controlling fungal diseases on crops like fruits and vegetables. As a zinc salt of dimethyldithiocarbamic acid with an aromatic component in its formulation, it falls under HTS 2930.20.20.50 as an aromatic dithiocarbamate. This classification applies to separate chemically defined organo-sulfur compounds per Chapter 29 notes.

Ferbam Technical Grade

Ferbam, or iron dimethyldithiocarbamate, is an aromatic dithiocarbamate fungicide used for seed treatment and crop protection. Classified under HTS 2930.20.20.50 due to its thiocarbamate structure and aromatic characteristics as a separate organic compound. Meets Chapter 29 requirements for organo-sulfur compounds not covered by exclusions.

Thiram Rubber Accelerator

Thiram (tetramethylthiuram disulfide) serves as both a fungicide and rubber vulcanization accelerator, featuring aromatic dithiocarbamate functionality. HTS 2930.20.20.50 applies to this pure chemical compound per Chapter 29 organo-sulfur provisions. Excluded from Chapter 38 when imported as technical grade material.

Methiram Fungicide Active

Methiram, a polymeric dimethyl dithiocarbamate with aromatic structure, functions as a protective fungicide for vegetables and ornamentals. Falls under HTS 2930.20.20.50 as an 'other' aromatic dithiocarbamate per Chapter 29 notes on chemically defined compounds. Distinguish from formulated products.

Zinc Dimethyldithiocarbamate (ZDMC)

ZDMC is an aromatic zinc dithiocarbamate used as an ultra-accelerator in rubber compounding. Classified under HTS 2930.20.20.50 as a thiocarbamate derivative meeting Chapter 29 requirements for separate organic compounds. Primarily imported as technical powder for industrial use.

Piperazine Dithiocarbamate

Piperazine dithiocarbamate is an aromatic derivative used in pharmaceutical intermediates and chelating applications. Falls under HTS 2930.20.20.50 as an other aromatic dithiocarbamate meeting Chapter 29 purity standards. Excluded from Chapter 30 as it's not a finished medicinal product.