2-Imidazolidinethione (Ethylene Thiourea) Crystals from China
Crystalline ethylene thiourea (2-imidazolidinethione) explicitly named in HTS 2933.29.0500. Key reagent in synthesis of ethylenebisdithiocarbamate fungicides like ziram and rubber additives.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• 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