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.

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 used as rubber accelerator compound

Prepared rubber accelerators with specific function classified in Chapter 38 over pure chemicals.

2930.90Higher: 13.7% vs 6.5%

If non-aromatic thiuram derivatives

Aromaticity determines placement within 2930.20 vs 2930.90 subheadings.

3808.94.50Higher: 30% vs 6.5%

If disinfectants or fungicides for agricultural use

End-use as pesticide takes precedence over chemical classification per tariff rules.

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Import Tips & Compliance

โ€ข Distinguish between technical grade (Chapter 29) and formulated products (Chapter 38) in import documentation

โ€ข Provide end-use statement if for rubber industry to prevent misclassification as pesticide

โ€ข Ensure packaging meets UN standards for toxic solids (Division 6.1) during transport

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.

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.

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.

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.