N,N-Dipropylaminoethane-2-thiol

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%3.7%
🇲🇽Mexico3.7%3.7%
🇨🇦Canada3.7%3.7%
🇩🇪Germany3.7%3.7%
🇯🇵Japan3.7%3.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2930.90.29.00Higher: 31.5% vs 3.7%

If containing a quaternary ammonium group instead of tertiary amine

Quaternized nitrogen derivatives fall under different subheading within organo-sulfur compounds.

2922.19Higher: 16.5% vs 3.7%

If imported as hydrochloride salt without free thiol function

Amino acid salts or protonated non-thiol amines classified by oxygen/nitrogen function headings.

2930.90Same rate: 3.7%

If it's 2-(N,N-dimethylamino)ethanethiol variant

Explicitly excluded from 2930.90.92.22; classified in separate thiol subheading.

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Import Tips & Compliance

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