(Dimethylamino)isopropyl chloride hydrochloride from Japan
(Dimethylamino)isopropyl chloride hydrochloride is a quaternary amine salt explicitly named in HTS 2921.19.31.00, characterized by its acyclic monoamine structure with a hydrochloride salt form. It serves as a key intermediate in synthesizing pharmaceuticals like antihistamines and local anesthetics. Classification here follows chapter rules prioritizing the amine-function salt.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• Submit detailed chemical assay confirming it matches the exact named compound to avoid reclassification
• Include proof of salt form (hydrochloride) as per chapter note (C)(1) for organic salts classification with the parent amine
• Watch for DEA precursor chemical listing; may require additional declarations if used in controlled substance production