Ethylene Thiourea (2-Imidazolidinethione) from Japan
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.
Duty Rate — Japan → United States
27.5%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit TSCA certification as it's listed on EPA Toxic Substances Control Act inventory
• Include detailed purity analysis; industrial grades typically >98% purity
• Verify not classified as rubber chemical mixture which would go to Chapter 38