2-Imidazolidinethione (Ethylene Thiourea) Crystals
Crystalline ethylene thiourea (2-imidazolidinethione) explicitly named in HTS 2933.29.0500. Key reagent in synthesis of ethylenebisdithiocarbamate fungicides like ziram and rubber additives.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported with sulfur content emphasized over heterocyclic structure
Other organo-sulfur compounds, but Chapter 29 notes prioritize ring systems.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify as UN3077 Environmentally Hazardous Substance for transport
• Include NMR or HPLC analysis verifying chemical identity
• Avoid bulk packaging over 25kg drums which trigger additional hazmat fees
Related Products under HTS 2933.29.05.00
Triflumizole Technical Grade
Triflumizole is a specific imidazole fungicide classified under HTS 2933.29.0500 as 1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)-imino)-2-propoxyethyl]-1H-imidazole, featuring an unfused aromatic imidazole ring. It is used in agriculture to control fungal diseases on crops like grapes and vegetables.
Ethylene Thiourea (2-Imidazolidinethione)
Ethylene thiourea, chemically 2-imidazolidinethione, is a heterocyclic imidazole ring compound specifically named in HTS 2933.29.0500. Used as a chemical intermediate and accelerator in rubber vulcanization processes.
Ethylene Thiourea Industrial Grade
Industrial grade ethylene thiourea specifically provided for in HTS 2933.29.0500, featuring the 2-imidazolidinethione structure. Essential intermediate for dithiocarbamate pesticides and rubber processing.
Triflumizole 98% Technical Powder
High-purity triflumizole technical powder (98% minimum) matching the exact chemical structure defined in HTS 2933.29.0500. Supplied for formulation into systemic fungicides protecting fruits, vegetables, and turf.
Triflumizole Fungicide Active Ingredient
Pure triflumizole active ingredient as defined precisely in HTS 2933.29.0500, containing the characteristic 4-chloro-2-(trifluoromethyl)phenyl imidazole structure. Used in crop protection formulations worldwide.