Disodium 1,8-Dihydroxynaphthalene-3,6-disulfonate (H Salt) from United States
Disodium 1,8-dihydroxynaphthalene-3,6-disulfonate, commonly called H Salt, is the disodium salt form of H Acid, used in water-soluble dye coupling. 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 — United States → Canada
0%
Import Tips
• Ensure the salt form is clearly identified on the commercial invoice
• Verify that the product is not mixed with other substances that could alter its classification
• Consult the CBSA's tariff classification advice for guidance on salts of organic compounds