Pharma-Grade Maleic Anhydride Crystals
Pharmaceutical grade maleic anhydride crystals with less than 10 ppm heavy metals, classified as a pure acyclic polycarboxylic acid anhydride. Used as an intermediate for maleate salt formation in drug synthesis.
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 a different acyclic polycarboxylic anhydride.
Covers other acyclic polycarboxylic acids and their anhydrides.
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
• Provide a certificate of analysis showing heavy metal content below 10 ppm
• Ensure the product is not put up for retail sale
• Verify that the product meets Canadian pharmaceutical standards
Related Products under Tariff item 2917.14.00
Aromatic Maleic Anhydride for Unsaturated Polyester Resins
Aromatic maleic anhydride derived from benzene oxidation, meeting the criteria for acyclic polycarboxylic acid anhydrides. It is a key raw material for producing corrosion-resistant unsaturated polyester resins.
Benzene-Based Maleic Anhydride Flakes
Flake-form maleic anhydride manufactured via benzene oxidation, classified as an acyclic polycarboxylic acid anhydride. Used primarily in unsaturated polyester resin production for coatings and composites.
Brittle Maleic Anhydride Lumps
Solid maleic anhydride in brittle lump form from cooled molten material, classified as an acyclic polycarboxylic acid anhydride. Used in paper sizing chemical manufacture and other industrial applications.
High-Purity Benzene-Derived Maleic Anhydride
Ultra-pure maleic anhydride (>99.5%) from controlled benzene oxidation, classified as a chemically defined acyclic polycarboxylic acid anhydride. Used in pharmaceutical intermediates and specialty polymer production.
High-Purity Maleic Anhydride Molten Residue
Maleic anhydride recovered from distillation bottoms and purified to 99% for industrial use, classified as a chemically defined acyclic polycarboxylic acid anhydride. Suitable for various chemical applications.
Industrial Maleic Anhydride Briquettes
Compressed maleic anhydride briquettes for bulk industrial handling, classified as an acyclic dicarboxylic acid anhydride. Primarily used in unsaturated polyester resin manufacturing.