Share:|Follow us on LinkedIn

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.

Import Duty Rates by Country of Origin

Origin Country	MFN Rate	Ch.99 Surcharges	Total Effective Rate
🇨🇳China	6.5%	+35.0%	41.5%
🇲🇽Mexico	6.5%	+10.0%	16.5%
🇨🇦Canada	6.5%	+10.0%	16.5%
🇩🇪Germany	6.5%	+10.0%	16.5%
🇯🇵Japan	6.5%	+10.0%	16.5%

Alternative Classifications

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

3824.99Lower: 15% vs 41.5%

If co-precipitated with other carboxylates

Mixed salts classify as mixtures if not pure terephthalate derivative.

2836.40Lower: 11.3% vs 41.5%

If predominantly inorganic characterization

Heavy metal content might shift to Chapter 28 salts if organic function secondary.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Get AI-powered classification Calculate exact duty

Import Tips & Compliance

• Provide metal-organic equivalence ratio in COA; check REACH compliance for EU origin; avoid bulk packaging over moisture limits

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.