Electronic Grade Phosphoric Acid 99.999% from Mexico
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.
Duty Rate — Mexico → Canada
0%
Import Tips
• 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