6-(Methylamino)-1-naphthol-3-sulfonic Acid from China
6-(Methylamino)-1-naphthol-3-sulfonic Acid is an amino-naphthol sulfonic acid derivative. It features a naphthol structure with a methylamino substituent and a sulfonic acid group. It is a key intermediate for reactive dyes and pharmaceuticals.
Duty Rate — China → Canada
0%
Import Tips
• Verify the product is not a dye itself but an intermediate
• Sulfonic acid groups are not oxygen functions for this heading
• Provide the CAS number and purity data
• Ensure the product is not put up for retail sale