3-Amino-3-methyl-1-butyne; (Dimethylamino)isopropyl chloride hydrochloride
Amine-function compounds > Acyclic monoamines and their derivatives; salts thereof: > Other: > 3-Amino-3-methyl-1-butyne; (Dimethylamino)isopropyl chloride hydrochloride
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2921.19.31.00
3-Amino-3-methyl-1-butyne
3-Amino-3-methyl-1-butyne is a specific acyclic monoamine compound featuring an amino group attached to a butyne chain with a methyl substituent. It falls under HTS 2921.19.31.00 as one of the explicitly named amine-function compounds in this subheading. This chemical is used as an intermediate in pharmaceutical synthesis and organic reactions.
(Dimethylamino)isopropyl chloride hydrochloride
(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.
3-Amino-3-methyl-1-butyne Pharmaceutical Grade
High-purity 3-Amino-3-methyl-1-butyne meeting pharmaceutical standards, explicitly covered under HTS 2921.19.31.00 as a named acyclic monoamine. Used in synthesis of antiviral drugs and as a building block for alkyne-containing therapeutics. Purity >99% distinguishes it for regulated import.
(Dimethylamino)isopropyl chloride hydrochloride BP/USP Grade
BP/USP grade (Dimethylamino)isopropyl chloride hydrochloride, a named salt under HTS 2921.19.31.00 for its acyclic monoamine hydrochloride derivative. Critical for producing muscle relaxants and anticholinergic drugs. Meets pharmacopeia standards for purity and stability.
3-Amino-3-methyl-1-butyne Stabilized Solution
Stabilized aqueous solution of 3-Amino-3-methyl-1-butyne as per chapter note (d), classified under HTS 2921.19.31.00 for the named compound. The solvent is necessary for safe transport of this reactive alkyne-amine. Used in fine chemical manufacturing.
(Dimethylamino)isopropyl chloride hydrochloride with Anti-caking Agent
Crystalline (Dimethylamino)isopropyl chloride hydrochloride with added anti-caking agent per chapter note (f), under HTS 2921.19.31.00. The agent is solely for preservation during storage and transport. Essential for bulk pharmaceutical intermediate supply.
High-Purity 3-Amino-3-methyl-1-butyne for Research
Research-grade 3-Amino-3-methyl-1-butyne (>99.5% purity), specifically named in HTS 2921.19.31.00 as an acyclic monoamine. Supplied in small quantities for laboratory synthesis of novel compounds. Meets analytical standards for R&D applications.
(Dimethylamino)isopropyl chloride hydrochloride Technical Grade
Technical grade (Dimethylamino)isopropyl chloride hydrochloride for industrial synthesis, explicitly HTS 2921.19.31.00. Lower purity (98%) version of the named amine salt used in large-scale pharmaceutical production. Cost-effective for non-GMP applications.