Certified Reference Methylene Blue Analytical Standard from Mexico
Certified reference material of Methylene Blue (3,7-Bis(dimethylamino) phenazathionium chloride) at 99.5%+ purity for analytical chemistry calibration. It is a chemically defined basic dye, specifically named in tariff item 3204.13.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is not a diagnostic reagent under heading 38.22, which would change classification
• Have the certificate of analysis and purity documentation ready for CBSA
• If the product is for laboratory use, verify it is not put up in measured doses for retail sale