Tungsten Chlorohydroxide Solution from Japan
Tungsten chlorohydroxide solution is used as a catalyst precursor in hydrodesulfurization processes for petroleum refining. As a chloride hydroxide of tungsten, it falls under tariff item 2827.39.00 for other chlorides, typically at 20% concentration in isopropanol.
Duty Rate — Japan → Canada
0%
Import Tips
• The isopropanol solvent must be solely for safety or transport to remain in Chapter 28; document this on the invoice
• If the solvent renders the product suitable for a specific use, it may be reclassified
• Provide the exact concentration and safety data sheet to expedite CBSA clearance