H-Acid Monosodium Salt (1-Amino-8-Hydroxy-4,6-NDS) from Japan
H-Acid Monosodium Salt (1-amino-8-hydroxy-4,6-NDS) is a key dye coupler intermediate. It is the monosodium salt of an aminohydroxynaphthalenesulphonic acid, classified under tariff item 2922.21.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the product is the monosodium salt, not a mixture of salts
• Provide the CAS number and structural formula
• Verify the MFN duty rate; it may be duty-free under certain trade agreements