2930.90.92.22/N,N-Dipropylaminoethane-2-thiol/Japan

N,N-Dipropylaminoethane-2-thiol from Japan

This is a specific organo-sulfur compound featuring a n-propyl dialkyl substitution on the nitrogen atom of the aminoethane-2-thiol structure. It falls under HTS 2930.90.92.22 as it matches the exact chemical definition for N,N-dialkyl (methyl, ethyl, n-propyl or isopropyl) aminoethane-2-thiols, excluding the dimethyl and diethyl variants. Used primarily as an intermediate in pharmaceutical synthesis and as a reagent in organic chemistry.

Duty Rate — Japan → United States

23.8%

Rate breakdown

9903.04.6211.3%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

Calculate with your customs value Verify with the Tariff Assistant

Import Tips

• Provide detailed chemical purity certificates and CAS number documentation to verify it matches the specific exclusion criteria of HTS 2930.90.92.22

• Ensure SDS includes thiol and amine safety handling; comply with REACH/ TSCA for chemical import registration

• Avoid misclassification by confirming alkyl chain lengths are n-propyl or isopropyl, not excluded dimethyl/diethyl