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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2835.29Lower: 14.1% vs 41.5%

If classified as phosphate salt

Organic base classification prevails per Chapter 29 salt rules.

3824.99Lower: 15% vs 41.5%

If flame retardant mixture

Mixtures exceeding simple salt with additives go to prepared chemical preparations.

3907.99.50Same rate: 41.5%

If incorporated in polyester resins

Polymer incorporation shifts to Chapter 39 plastics.

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Import Tips & Compliance

Include phosphorus content analysis to confirm phosphate salt formation

Package in nitrogen-purged containers to prevent oxidation during transit

Provide REACH/SDS documentation for EU-origin materials

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.

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.

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.