Monopotassium Terephthalate
Monopotassium terephthalate is a partially neutralized salt of terephthalic acid, employed in niche chemical syntheses and polymer modifiers. Covered by HTS 2917.36.00.00 as a salt of the specified aromatic polycarboxylic acid, aligning with Chapter 29 definitions.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-salt derivatives like anhydrides
Other derivatives of aromatic polycarboxylic acids classify in the subsequent 2917.39 subheading.
If classified primarily by anion
Certain complex salts might shift to Chapter 28 if inorganic nature predominates over organic parent.
If pesticidal herbicide formulations
Specific use formulations exclude from Chapter 29 per chapter exclusions.
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Import Tips & Compliance
• Include stoichiometric analysis proving salt formation; ensure packaging prevents moisture absorption affecting purity; declare exact counterion to avoid salt misclassification
Related Products under HTS 2917.36.00.00
Purified Terephthalic Acid (PTA)
Purified terephthalic acid (PTA) is a chemically defined organic compound used primarily as a raw material in producing polyethylene terephthalate (PET) for bottles and fibers. It falls under HTS 2917.36.00.00 as it is specifically terephthalic acid, an aromatic polycarboxylic acid, meeting Chapter 29 note (a) for separate chemically defined compounds.
Disodium Terephthalate Salt
Disodium terephthalate is the sodium salt of terephthalic acid, used in specialty polymers and as a chemical intermediate. It is classified under HTS 2917.36.00.00 as explicitly including salts of terephthalic acid per the heading description and Chapter 29 note on inorganic salts.
Industrial Grade Terephthalic Acid
Industrial grade terephthalic acid (typically 99.5% purity) serves as feedstock for polyester fiber production. It qualifies under HTS 2917.36.00.00 as a separate chemically defined compound per Chapter 29 note (a), despite minor impurities.
Terephthalic Acid with Stabilizer
Terephthalic acid containing a minimal stabilizer for transport stability, used in PET resin manufacturing. Allowed under HTS 2917.36.00.00 per Chapter 29 note (f) as the addition is necessary for preservation without changing general use.
Terephthalic Acid Aqueous Solution
A dilute aqueous solution of terephthalic acid for lab or small-scale polymer applications. Classifiable under HTS 2917.36.00.00 via Chapter 29 note (d) as products of the heading dissolved in water.
Calcium Terephthalate Salt
Calcium terephthalate, a divalent salt used in flame-retardant plastics and catalysts. Falls under HTS 2917.36.00.00 as a salt of terephthalic acid, with classification following the organic acid parent per Chapter notes.