Industrial Naphthalene-1,3,6,7-Trisulfonic Acid Blend from Japan
An industrial-grade 50/50 blend of 1,3,6- and 1,3,7-naphthalenetrisulfonic acids for synthetic dye production. This mixture of sulphonated hydrocarbon derivatives is classified under tariff item 2904.10.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the blend ratio is documented for customs clearance
• The product may be subject to Canadian environmental regulations; verify compliance
• Use a customs broker familiar with chemical classifications