2930.90.49.50/Ethyl 2-Mercaptoacetate/Japan

Ethyl 2-Mercaptoacetate from Japan

Ethyl 2-mercaptoacetate (HSCH₂CO₂Et) is a mercaptoacetic acid ester classified as an organo-sulfur acid derivative under HTS 2930.90.4950. The thiol (-SH) group provides sulfur directly linked to carbon, fitting Chapter 29's definition of organo-sulfur compounds excluding sulfonated types. Used in polymer synthesis and as pharmaceutical intermediate.

Duty Rate — Japan → United States

4.2%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Include NMR spectra confirming -SH group position to validate organo-sulfur acid classification versus mere thiols

• Label containers with stabilizer content if added for transport stability per Chapter 29 note (f)

• Avoid bulk packaging that suggests 'preparation' status which shifts to Chapter 38

Ethyl 2-Mercaptoacetate from Japan — Import Duty Rate | HTS 2930.90.49.50