Sodium 1-Naphthol-4-sulfonate from Japan
Sodium 1-naphthol-4-sulfonate is the sodium salt of 4-hydroxy-1-naphthalenesulfonic acid, used in azo dye coupling reactions. It is a separate chemically defined organic compound and a sulfonated derivative of phenol-alcohols. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the salt form is clearly identified on the commercial invoice
• Verify that the product is not mixed with other isomers or compounds that could affect classification
• Consult the CBSA's tariff classification advice for guidance on salts of organic compounds