(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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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