Tungsten Chloride Anhydride from Mexico
Tungsten chloride anhydride is a high-purity reagent for synthesizing organotungsten compounds in pharmaceutical intermediates. As a chemically defined chloride of tungsten, it is classifiable under tariff item 2827.39.00 for other chlorides.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is anhydrous and declare the absence of water to support classification as a pure chloride
• Keep the certificate of analysis to show the tungsten content and purity
• If the product is for pharmaceutical use, verify if it requires a Drug Establishment Licence from Health Canada