Propylenediamine
Propylenediamine (1,2-diaminopropane) is an acyclic polyamine classified under HTS 2921.29.00.55, used in fuel additives and polymer synthesis.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If purity <95%, considered alkylamine mixture
Lower purity shifts from chemically defined compound to Chapter 29 acyclic hydrocarbons
If pre-mixed with oxidation inhibitors
Antiknock preparations classified in Chapter 38 regardless of principal component
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Import Tips & Compliance
• Distinguish from propyleneimine (cyclic aziridine, HTS 2933)
• Provide comparative GC-MS spectrum confirming acyclic structure
• Declare flash point (-10°C) for proper hazmat shipping classification
Related Products under HTS 2921.29.00.55
Ethylenediamine Dihydrochloride
Ethylenediamine dihydrochloride is the salt of ethylenediamine, an acyclic polyamine with two amino groups, classified under HTS 2921.29.00.55 as a derivative salt of acyclic polyamines. It is commonly used as a curing agent in epoxy resins and as an intermediate in pharmaceutical synthesis.
Diethylenetriamine (DETA)
Diethylenetriamine is an acyclic polyamine with three amino groups, falling under HTS 2921.29.00.55 as an 'other' acyclic polyamine. It serves as a key epoxy curing agent and chelating agent in industrial applications.
Hexamethylenediamine
Hexamethylenediamine, an acyclic diamine used primarily in nylon-6,6 production, is classified under HTS 2921.29.00.55 as an other acyclic polyamine. It meets Chapter 29 requirements for chemically defined organic compounds.
N,N-Dimethylethylenediamine
This tertiary amine derivative of ethylenediamine is an acyclic polyamine classified under HTS 2921.29.00.55. Used as a catalyst in polyurethane production and pharmaceutical intermediate.
1,3-Diaminopropane
1,3-Diaminopropane is a straight-chain acyclic polyamine with two primary amino groups, classified under HTS 2921.29.00.55. Applications include epoxy hardeners and chelating agents.
Triethylenetetramine (TETA)
Triethylenetetramine, a linear tetraamine, falls under HTS 2921.29.00.55 as an acyclic polyamine derivative. Widely used as high-performance epoxy curing agent.