High Purity Arsenic Trioxide 99.9% from China
Ultra-high purity 99.9% arsenic trioxide crystals for semiconductor doping and research applications. It is a chemically defined inorganic oxygen compound of the non-metal arsenic, excluding doped forms per Chapter 28 note 8.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the crystals are not doped for electronics use, as that would fall under heading 38.18
• Provide purity certificates to the CBSA to support the classification
• Verify if the product requires an import permit under Canada's Chemicals Management Plan