o-Aminobenzenesulfonic Acid (Orthanilic Acid) from Japan
o-Aminobenzenesulfonic acid (orthanilic acid) is a chemically defined aromatic monoamine with amino and sulfonic acid groups on a benzene ring. It is a key intermediate in dye synthesis and is classified under tariff item 2921.42.00 as an aniline derivative.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify the product's isomer (ortho, meta, or para) as each may have different classifications
• If the product is used for azo dye production, ensure it meets the criteria of Chapter 29 note 1(h)
• Keep a certificate of analysis to confirm purity and chemical identity