Glyoxal Diazo Dye Intermediate from United States
Glyoxal serving as intermediate for azo dye coupler synthesis is a pure acyclic dialdehyde. It qualifies for tariff item 2912.19.00 as a separate chemically defined compound, and high purity is essential for colorfast dye production.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is not diluted to standard strengths for azo dye production; if it is, Chapter 29 note 1(h) may apply
• Provide purity documentation to support classification
• Check if the product is used in a regulated industry