H Acid Sodium Salt (8-Amino-1-naphthol-3,6-disulfonic Acid Intermediate) from Japan
H Acid Sodium Salt (8-Amino-1-naphthol-3,6-disulfonic acid) is an organic intermediate used in the production of azo dyes. Although derived from anthraquinone processes, its sulfonated quinone structure places it under halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones. It is classified here as a sulphonated derivative of a quinone, consistent with the chapter's provisions for dye intermediates.
Duty Rate — Japan → Canada
Import Tips
• Ensure the product is properly identified as a sulphonated quinone derivative with a Certificate of Analysis confirming purity
• Verify whether the goods qualify for duty relief under the Canadian Chemical Producers' Association (CCPA) program if used as an input for manufacturing
• Keep records of the end-use to support classification