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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

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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