Terephthalic Acid Flakes
Terephthalic acid flakes are terephthalic acid processed into a flake form for easier handling in polyester plants. The physical form does not change its chemical identity, so it remains classified under tariff item 2917.36.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the flakes are pure terephthalic acid without additives
• Describe the product accurately as terephthalic acid in flake form
• Check if the flakes are considered a preparation or mixture that could change classification
Related Products under Tariff item 2917.36.00
Ammonium Terephthalate
Ammonium terephthalate is the ammonium salt of terephthalic acid, an aromatic polycarboxylic acid. It is used as a blowing agent in plastics and as a chemical intermediate. Under Chapter 29, inorganic salts of organic acids are classified with the parent organic compound, which is terephthalic acid.
Calcium Terephthalate Salt
Calcium terephthalate is a divalent salt of terephthalic acid, used in flame-retardant plastics and as a catalyst. As an inorganic salt of an organic acid, it is classified with terephthalic acid under Chapter 29, note 5(C)(1).
Disodium Terephthalate Salt
Disodium terephthalate is the sodium salt of terephthalic acid, used in specialty polymers and as a chemical intermediate. It is explicitly covered by tariff item 2917.36.00, which includes salts of terephthalic acid.
High-Purity Terephthalic Acid (HPTA)
High-purity terephthalic acid (HPTA) is a chemically defined aromatic polycarboxylic acid with purity above 99.99%. It is used for pharmaceutical-grade PET and specialty films. It falls directly under tariff item 2917.36.00 as terephthalic acid.
Industrial Grade Terephthalic Acid
Industrial grade terephthalic acid is a separate chemically defined compound with typical purity of 99.5%, used as feedstock for polyester fiber production. It is classified under tariff item 2917.36.00 as terephthalic acid, regardless of purity.
Monopotassium Terephthalate
Monopotassium terephthalate is a partially neutralized salt of terephthalic acid, used in niche chemical syntheses and polymer modifiers. As a salt of terephthalic acid, it is covered by tariff item 2917.36.00.