Potassium 4-Sulfobenzoate from China
Potassium 4-sulfobenzoate is the potassium salt of p-sulfobenzoic acid, an aromatic sulfonic acid derivative. It is used as a reactive intermediate in azo dye coupling and sulfonated drug synthesis. This compound is classified under tariff item 2916.39.00 as an 'Other' aromatic monocarboxylic acid derivative.
Duty Rate — China → Canada
0%
Import Tips
• Provide the CAS number (5399-63-3) and the purity of the product
• Ensure the product is properly identified as a salt of an aromatic monocarboxylic acid
• Check if any special permits are required