Photoresist Developer Solution from Japan
This aqueous mixture containing triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride, and (thiodi-4,1-phenylene)bis(diphenyl sulfonium) dichloride is used as a developer in semiconductor photolithography. It falls under tariff item 3824.99.00 as a chemical product not elsewhere specified.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the product is not a separate chemically defined compound, as that would change classification
• Provide a certificate of analysis to the CBSA to confirm the composition
• Verify that the product is not put up in measured doses for retail sale, which would fall under other headings