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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered primarily as sulfate salt
Chapter 29 prioritizes organic amine component over inorganic acid per classification notes.
If prepared with anti-dusting agents beyond safety
Additives making it suitable for specific use exclude it from Chapter 29 per note 2(g).
If sulfonated derivative
Sulfonated forms become organo-sulfur compounds in heading 2930.
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Import Tips & Compliance
• Declare exact salt form and counterion ratio; customs may require titration analysis
• Provide end-use statement distinguishing from finished water treatment formulations
• Use corrosion-resistant packaging (HDPE drums) and include shelf-life stability data
Related Products 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.
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.