2-(N-Methyl-N-ethylamino)ethanethiol

Mixed methyl-ethyl substituted aminoethane-2-thiol, a chemically defined organo-sulfur compound. Fits HTS 2930.90.92.22 criteria using permitted dialkyl groups (methyl, ethyl) explicitly listed in heading description. Serves as building block for nitrogen-sulfur chelators.

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.

2930.40.00Higher: 35% vs 3.7%

If containing polysulfide linkages

Methionine sulfoxide/sulfone derivatives in separate organo-sulfur heading.

2919.90Higher: 13.7% vs 3.7%

If phosphorylated derivative for pesticide synthesis

Phosphorus esters of thiols classified under phosphoric acid derivatives.

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Import Tips & Compliance

Confirm via mass spec no dimethyl impurity exceeding 0.1%; trace excluded isomers disqualify

Use glass-lined containers; corrosive to metals due to thiol reactivity

Pre-register under TSCA if research quantities; industrial intermediates exempt

Related Products under HTS 2930.90.92.22

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.

2-(N,N-Diisopropylamino)ethanethiol

An organo-sulfur compound with isopropyl groups on the nitrogen atom, specifically 2-(N,N-diisopropylamino)ethanethiol. Classified under HTS 2930.90.92.22 due to its aminoethane-2-thiol structure with permitted isopropyl dialkyl substitution, excluded only dimethyl/diethyl forms. Commonly used in synthesis of thioether ligands and pharmaceutical precursors.

N-Ethyl-N-isopropylaminoethane-2-thiol

Mixed dialkyl substituted aminoethane-2-thiol with ethyl and isopropyl groups on nitrogen. Qualifies for HTS 2930.90.92.22 as it uses permitted alkyl groups (ethyl, isopropyl) in the N,N-dialkyl aminoethane-2-thiol definition, excluding only specific dimethyl/diethyl. Applied in metal chelation chemistry and drug development.

N,N-Di(n-propyl)aminoethanethiol Hydrochloride

Protonated salt form of N,N-di(n-propyl)aminoethane-2-thiol hydrochloride. Explicitly covered under HTS 2930.90.92.22 which includes protonated salts of specified aminoethane-2-thiols (excluding dimethyl/diethyl). Used in aqueous formulations for biochemical research.