Tungsten Pentachloride from Mexico
Tungsten pentachloride (WCl5) is a dark-green crystalline compound employed as a catalyst in olefin polymerization and chlorination reactions. It is classified under tariff item 2827.39.00 as an 'other chloride' of tungsten.
Duty Rate — Mexico → Canada
0%
Import Tips
• Tungsten pentachloride hydrolyzes in air; use moisture-proof packaging and declare it on the invoice
• Keep the certificate of analysis to confirm the chemical formula
• If used as a catalyst, ensure it is not put up in measured doses for retail sale, which would shift classification