3-Aminopyrrolidine
3-Aminopyrrolidine contains both ring nitrogen and exocyclic primary amine, classified under 'other nitrogen function' HTS 2929.90.50.95 as it doesn't fit specific heterocyclic or amine headings. Pharmaceutical intermediate.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pyrrolidine derivatives
Saturated 5-membered heterocycles primarily classified in 2933.39.
If primary amine function dominant
Exocyclic amine may take precedence over ring nitrogen for classification.
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Import Tips & Compliance
• Specify enantiomeric purity if chiral; racemic mixtures stay in 2929
• Air-sensitive; recommend inert atmosphere packaging and shipping
Related Products under HTS 2929.90.50.95
Triethylenetetramine (TETA)
Triethylenetetramine is a polyamine with multiple nitrogen functions including secondary and tertiary amines, classified under HTS 2929.90.50.95 as a compound with 'other nitrogen function' not specified elsewhere in heading 2929. It is used primarily as a curing agent for epoxy resins in industrial applications.
N,N-Diethylhydroxylamine (DEHA)
N,N-Diethylhydroxylamine is an organic compound featuring a nitrogen atom bonded to a hydroxyl group and two ethyl groups, falling under 'other nitrogen function' in HTS 2929.90.50.95. It serves as a corrosion inhibitor and photographic developer.
Benzylamine
Benzylamine is an organic compound with a primary amine group attached to a benzene ring via methylene linkage, classified in HTS 2929.90.50.95 under 'other nitrogen function'. Essential intermediate for pharmaceuticals and dyes.
Girard's Reagent T
Girard's Reagent T (trimethylammoniumacetohydrazide chloride) contains hydrazone and quaternary ammonium nitrogen functions, classified under HTS 2929.90.50.95. Used in steroid analysis and carbonyl derivatization.
N-(2-Aminoethyl)piperazine
This compound features both primary amine and secondary amine functions within a piperazine ring structure, falling under HTS 2929.90.50.95 as 'other nitrogen function'. Used in epoxy curing and polyamide production.
Cyanamide (50% aqueous solution)
Cyanamide in 50% aqueous solution qualifies under Chapter 29 note (d) as a chemically defined compound dissolved in water, classified HTS 2929.90.50.95. Used in agriculture and chemical synthesis.