N,N-Di(n-propyl)aminoethanethiol Hydrochloride from Japan
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.
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
Import Tips
• Specify salt counterion in COA; hydrochloride typical but others qualify if protonated
• Declare pH stability data; salts more stable than free base for import handling
• Segregate from oxidizers in shipping; thiols highly reactive even in salt form