Dentistry Grade Phosphoric Acid Etchant
Dentistry grade phosphoric acid etchant, a 37% phosphoric acid gel used for dental enamel etching prior to bonding composite restorations. Although gelled, the base compound is a chemically defined inorganic acid, so it is classified under tariff item 2809.20.00.
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:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the etchant is put up for retail sale as a dental preparation
Dental preparations put up for retail sale may be classified under Chapter 30.
If the etchant is part of a dental instrument set
Dental instruments and appliances may be classified under Chapter 90.
If the gel contains other active ingredients
Chemical preparations with multiple components may fall under Chapter 38.
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
• Check if the etchant is regulated as a medical device by Health Canada, which may require a medical device license
• Ensure the gel formulation does not contain organic additives that would exclude it from Chapter 28
• Provide a product specification sheet to support the classification as phosphoric acid
Related Products under Tariff item 2809.20.00
52% P2O5 Phosphoric Acid for NPK Fertilizer Production
Industrial-grade phosphoric acid at 52% P2O5 concentration from wet process, designed for blending into NPK fertilizers. It is a separate chemically defined compound, meeting Chapter 28 Note 1(a), and falls under this tariff item as phosphoric acid.
85% Food Grade Phosphoric Acid
85% food grade phosphoric acid, certified for use in beverages like colas and as a pH regulator in processed foods. This chemically defined phosphoric acid is classified under tariff item 2809.20.00, meeting Chapter 28's requirements for separate chemically defined compounds.
Dentrifrice Grade Phosphoric Acid 50%
A 50% aqueous solution of phosphoric acid, chemically defined as H3PO4, formulated for use in toothpaste and dental etching gels. It meets Chapter 28 Note 1(b) as a solution in water and is classifiable under this tariff item as phosphoric acid.
Electronic Grade Phosphoric Acid 99%
Electronic grade phosphoric acid at 99% purity, used for semiconductor etching and wafer cleaning in microchip production. This ultra-pure, chemically defined phosphoric acid is classified under tariff item 2809.20.00, meeting Chapter 28's criteria for inorganic acids.
Electronic Grade Phosphoric Acid 99.999%
Ultra-high purity phosphoric acid (99.999% H3PO4) used in semiconductor etching and wafer cleaning. It is a separate chemically defined compound, meeting Chapter 28 Note 1(a), and falls under this tariff item as phosphoric acid.
Fertilizer Grade Phosphoric Acid 52% P2O5
A liquid phosphoric acid solution with approximately 52% available P2O5 equivalents, formulated for agricultural fertilizers. It is a separate chemically defined compound, meeting Chapter 28 Note 1(a), and falls under this tariff item as phosphoric acid.