Tetrazolium Blue Chloride from Mexico
A diazo-tetrazolium salt used in photographic redox imaging and viability staining for film quality control. It is a separate chemically defined organic compound with a diazo group, classified under tariff item 2927.00.00 for diazo-, azo- or azoxy-compounds.
Duty Rate — Mexico → Canada
0%
Import Tips
• If the product has dual laboratory uses, classify based on its chemical structure, not end use
• Keep a Certificate of Analysis for customs