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

N,N-Dipropylaminoethane-2-thiol from Mexico

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 — Mexico → United States

3.7%

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

• 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