Industrial Grade Hexamethylenediamine Diadipate
Hexamethylenediamine diadipate (1:2 salt ratio) provides excess carboxylic functionality for specialized nylon copolymer production. Derived entirely from adipic acid, it qualifies under HTS 2921.22.1000 as specified in the heading. Used in high-performance engineering polymers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ethylenediamine-based salts
Different diamine backbones change classification within acyclic polyamine headings.
If formulated as pesticide intermediates
Specific use formulations for pesticides move to Chapter 38 goods.
If blended into fertilizers
Fertilizer mixtures containing diamine salts are classified in Chapter 31.
Not sure which classification is right?
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Import Tips & Compliance
• ,Label containers with exact salt ratio and adipic acid content percentage per GHS chemical labeling
• Check for anti-dumping duties on nylon intermediates from specific Asian producers
Related Products under HTS 2921.22.10.00
Hexamethylenediamine Adipate Salt
Hexamethylenediamine adipate salt is a 1:1 salt formed from hexamethylenediamine and adipic acid, classified under HTS 2921.22.1000 because it is derived in whole or in part from adipic acid. This compound serves as a key intermediate in nylon 6,6 polymer production.
Nylon 6,6 Polymerization Salt (AH Salt)
AH Salt is the industrial name for hexamethylenediamine adipate used directly in nylon 6,6 manufacturing, explicitly derived from adipic acid and hexamethylenediamine. It meets HTS 2921.22.1000 criteria as an acyclic polyamine salt with adipic acid origin. Shipped as 60-70% aqueous solutions for polymerization processes.
Purified Nylon Salt for High-Performance Fibers
High-purity (>99.5%) hexamethylenediamine adipate salt for premium nylon 6,6 tire cord and airbag yarn production. The adipic acid derivation ensures classification under HTS 2921.22.1000. Supplied as molten salt or concentrated solutions to minimize impurities.
Stabilized Hexamethylenediamine Adipate for Transport
Hexamethylenediamine adipate with added commercial stabilizer (per Chapter 29 note f) for safe bulk transport. Adipic acid derivation maintained, qualifying for HTS 2921.22.1000. The stabilizer prevents oxidation during long-distance shipping.
Technical Grade 6,6-Nylon Salt Solution 60%
60% aqueous solution of hexamethylenediamine adipate for nylon polymerization reactors, derived from adipic acid per HTS 2921.22.1000. The water content constitutes normal transport preparation under Chapter 29 note (d). Widely used in continuous polymerization lines.
Hexamethylenediamine Adipic Acid Monosalt
Partial neutralization product (1:0.5 molar ratio) of hexamethylenediamine with adipic acid, used in specialty polymer modifiers. Still principally derived from adipic acid per HTS 2921.22.1000 requirements. Intermediate for copolyamide synthesis.