5-Imino-3-methyl-1-(m-sulfophenyl)-pyrazole from United States
5-Imino-3-methyl-1-(m-sulfophenyl)-pyrazole is a sulfophenyl imino-pyrazole derivative with a high water solubility. It is used as a dye intermediate in the production of azo dyes. Its unfused pyrazole ring with nitrogen hetero-atoms only qualifies it for tariff item 2933.19.00.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the product is not put up in measured doses or for retail sale, which would shift classification to Section VI note 2 headings
• Keep records of the chemical purity and synthesis route for CBSA inspection
• Check if the dye intermediate use requires an import permit under chemical control regulations