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Amine-function compounds > Acyclic polyamines and their derivatives; salts thereof: > Hexamethylenediamine and its salts: > Other: > Other
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 2921.22.50.00
Hexamethylenediamine Adipate Salt
Hexamethylenediamine adipate, also known as nylon 6,6 salt, is the salt formed from hexamethylenediamine and adipic acid. It falls under HTS 2921.22.5000 as a derivative salt of hexamethylenediamine, an acyclic polyamine. This compound is primarily used as an intermediate in nylon 6,6 polymer production.
Hexamethylenediamine Hydrochloride
The hydrochloride salt of hexamethylenediamine, a white crystalline powder used in organic synthesis. Classified under HTS 2921.22.5000 as a salt derivative of the acyclic polyamine hexamethylenediamine. Common stabilizer in epoxy curing agents.
Hexamethylenediamine Sulfate
Sulfate salt of hexamethylenediamine used as a corrosion inhibitor intermediate and in water treatment chemicals. HTS 2921.22.5000 covers this as 'other' salts of the polyamine. Typically supplied as 50-70% aqueous solution.
Di(hexamethylene)triamine Dihydrochloride
A derivative polyamine salt from hexamethylenediamine used in fuel additives and chelating agents. Falls under HTS 2921.22.5000 as 'other' acyclic polyamine derivatives and salts. Molecular weight approximately 266 g/mol.
Hexamethylenediamine Phosphate
Phosphate salt derivative used in flame retardant formulations and polymer modifiers. HTS 2921.22.5000 classification as hexamethylenediamine salt 'other'. Supplied as viscous liquid or powder.
N,N'-Diacetyl Hexamethylenediamine
Acetylated derivative of hexamethylenediamine used as pharmaceutical intermediate and polymer crosslinker. Classifies under HTS 2921.22.5000 as derivative of the base polyamine. Melting point 80-85°C.
Hexamethylenediamine Monoacetate
Monoacetic acid salt of hexamethylenediamine used in textile finishing agents. HTS 2921.22.5000 as 'other' salt of the polyamine. pH typically 8-10 in solution.
Hexamethylenediamine Citrate
Citric acid salt used in pharmaceutical buffering and nutritional supplements. HTS 2921.22.5000 as polyamine salt derivative. Soluble in water, pH 6-8.
Hexamethylenediamine Epoxy Adduct
Reaction product of hexamethylenediamine with epoxy resin, used as curing agent. Still classified under HTS 2921.22.5000 if retaining polyamine character. Viscosity 500-2000 cps.
Hexamethylenediamine Sebacate
Salt of hexamethylenediamine with sebacic acid for nylon 6,10 production. Classifies under HTS 2921.22.5000 following the amine component. Used in specialty engineering plastics.