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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing significant alcohol impurities
Alcohol mixtures might classify under earlier Chapter 29 acyclic alcohol headings if predominant.
If technical grade with multiple impurities
Excess impurities render it a chemical mixture outside pure Chapter 29 compounds.
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Import Tips & Compliance
• Submit spec sheets showing PTA content; use UN 2216 proper shipping name for transport; monitor for anti-dusting agents that could invoke Chapter 29 note (g)
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.
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.
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.