2-Naphthol-3,6-disulfonic acid disodium salt from United States
2-Naphthol-3,6-disulfonic acid disodium salt, also known as R-acid salt, is a sulfonated naphthol derivative with two sulfo groups in its disodium salt form. It is a separate chemically defined organic compound used in dye synthesis. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
Duty Rate — United States → Canada
0%
Import Tips
• Clearly state the chemical identity and salt form on the invoice to avoid misclassification
• Ensure the product is not mixed with other substances that could alter its classification
• Verify the MFN duty rate and any applicable preferential tariff treatments under Canada's trade agreements