Food-Grade Phthalic Anhydride
Ultra-high purity phthalic anhydride (>99.9%) meeting food contact specifications, used in saccharin production. It is a separate chemically defined organic compound, qualifying under Chapter 29 note 1(a), and falls under tariff item 2917.35.00 as phthalic anhydride.
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:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is not phthalic anhydride but another aromatic polycarboxylic acid derivative
Covers other aromatic polycarboxylic acids and derivatives not specifically named
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 product meets food-contact purity standards and provide a certificate of analysis
• Declare the 8-digit tariff item 2917.35.00 and be ready to substantiate the purity with lab reports if requested by CBSA
Related Products under Tariff item 2917.35.00
Molten Phthalic Anhydride
Phthalic anhydride supplied in heated molten liquid form at 130-140°C to prevent solidification during bulk transport. It remains the pure chemical compound under Chapter 29 note 1(a), and is classifiable under tariff item 2917.35.00 as phthalic anhydride.
Phthalic Anhydride 99.5% Technical Grade
Technical grade phthalic anhydride with 99.5% minimum assay, containing trace maleic anhydride impurities allowable under Chapter 29 note 1(a). Used in unsaturated polyester resin manufacturing and classifiable under tariff item 2917.35.00 as phthalic anhydride.
Phthalic Anhydride Briquettes
Phthalic anhydride compressed into briquettes without binders for metallurgical and resin applications. The forming method acts as an anti-dusting agent under Chapter 29 note 1(g), maintaining classification under tariff item 2917.35.00 as phthalic anhydride.
Phthalic Anhydride Export Specification PA-01
Standard export grade phthalic anhydride meeting ASTM D4286 PA-01 specifications for alkyd and polyester production. The branded specification does not affect chemical classification under Chapter 29 note 1(a), and it falls under tariff item 2917.35.00.
Phthalic Anhydride Flakes
Phthalic anhydride in solid flake form, a white crystalline solid derived from o-xylene oxidation, used primarily in the production of plasticizers and resins. It is the pure aromatic compound under Chapter 29 note 1(a), classifiable under tariff item 2917.35.00.
Phthalic Anhydride Pellets
Phthalic anhydride formed into uniform pellets for easier handling and dosing in resin production. The pelleting is solely for transport and preservation per Chapter 29 note 1(f), maintaining classification under tariff item 2917.35.00.