99% Pure Dimethyl Propylphosphonate Technical Grade from China
High-purity technical grade dimethyl propylphosphonate (>99%) used in pharmaceutical synthesis and as a flame retardant precursor. This separate chemically defined organo-inorganic compound falls under tariff item 2931.42.00 as a non-halogenated organo-phosphorous derivative, meeting Chapter 29's requirements for pure compounds.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is a separate chemically defined compound with no added substances that render it suitable for a specific use, per Chapter 29 Note 1
• Declare the CAS number (6768-94-1) and purity on the commercial invoice to support classification
• Verify whether the product requires a permit under Canada's Chemical Management Plan or other environmental regulations