1,1-Diphenyl-2-picrylhydrazyl from China
1,1-Diphenyl-2-picrylhydrazyl (DPPH) is a stable free radical used as an antioxidant assay standard in research. It is a chemically defined organic compound with a hydrazine derivative structure. This product falls under tariff item 2928.00.00 as an organic derivative of hydrazine.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the product's classification as a laboratory reagent, which may affect duty rates
• Provide a certificate of analysis and intended use documentation
• Check if the product is subject to hazardous goods regulations, as DPPH is a free radical