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.
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 mixed with other chemicals or formulated for a specific etching process
Chapter 28 Note 1(a) requires a separate chemically defined compound; mixtures fall outside.
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 purity and metallic impurity levels to support the electronic grade claim
• Ensure proper packaging for hazardous materials and declare the UN number (UN1805) for phosphoric acid
• Verify if the product qualifies for duty relief under the Customs Tariff's machinery or electronics provisions
Related Products under Tariff item 2809.20.00
52% P2O5 Phosphoric Acid for NPK Fertilizer Production
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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.
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.
Food Grade Phosphoric Acid 85%
An 85% aqueous solution of phosphoric acid, chemically defined as H3PO4, used in food and beverage acidification. It meets Chapter 28 Note 1(b) as a solution in water and is classifiable under this tariff item.
Green Liquor Phosphoric Acid 53% P2O5 Fertilizer Grade
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