TMTD Tetramethylthiuram Disulfide
TMTD (tetramethylthiuram disulfide), synonymous with thiram, is an aromatic dithiocarbamate used both as a rubber accelerator and seed protectant. HTS 2930.20.20 covers it as 'other' aromatic due to its S-S linked dithiocarbamate structure. Commonly traded as 98% pure flakes or powder.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| ๐จ๐ณChina | 6.5% | โ | 6.5% |
| ๐ฒ๐ฝMexico | 6.5% | โ | 6.5% |
| ๐จ๐ฆCanada | 6.5% | โ | 6.5% |
| ๐ฉ๐ชGermany | 6.5% | โ | 6.5% |
| ๐ฏ๐ตJapan | 6.5% | โ | 6.5% |
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 containing nucleic function alongside sulfur
Compounds with nitrogen-heterocyclic functions may classify under 2934 per chapter notes.
If when already compounded into rubber articles
Finished rubber products containing accelerators shift to Chapter 40.
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Import Tips & Compliance
โข Dual-use documentation clarifying industrial vs agricultural end-use prevents reclassification
โข Provide MSDS with flash point and decomposition data for proper hazard classification
โข Ensure batch certificates confirm purity >95% to maintain Chapter 29 status
Related Products under HTS 2930.20.20
Ziram Fungicide
Ziram, chemically known as zinc dimethyldithiocarbamate, is an aromatic dithiocarbamate used as a protective fungicide for crops like fruits and vegetables. It falls under HTS 2930.20.20 as an aromatic dithiocarbamate, distinct from specific named compounds in other subheadings. This classification applies to its pure chemical form for agricultural applications.
Thiram Rubber Accelerator
Thiram (tetramethylthiuram disulfide) is an aromatic dithiocarbamate serving as a vulcanization accelerator in rubber production. Classified under HTS 2930.20.20 as an 'other' aromatic thiocarbamate/dithiocarbamate, it contains the characteristic S-C-S structure. It's supplied as a white to yellow powder for industrial rubber compounding.
Ferbam Fungicide Active Ingredient
Ferbam, or iron dimethyldithiocarbamate, is an aromatic dithiocarbamate used as a fungicide for turf and ornamental plants. It qualifies for HTS 2930.20.20 as an 'other' aromatic organo-sulfur compound per Chapter 29 notes excluding sulfonated derivatives. Typically imported as technical grade powder.
Methiram Dithiocarbamate
Methiram, a polymeric dithiocarbamate with aromatic components, functions as a contact fungicide for vegetables. It fits HTS 2930.20.20 as an aromatic 'other' thiocarbamate/dithiocarbamate under Chapter 29 organo-sulfur provisions. Supplied as a wettable powder concentrate.
Urban Dithiocarbamate Fungicide
Urban, chemically zinc ethylenebis(dithiocarbamate), is an aromatic dithiocarbamate foliar fungicide for fruits. Classified in HTS 2930.20.20 as an 'other' aromatic organo-sulfur compound meeting chapter note requirements for direct C-S links. Imported as dispersible granules.