High Purity PFOS-K for Research Use from Mexico
Ultra-high purity (>99.5%) potassium perfluorooctane sulfonate (PFOS-K) for laboratory and research applications. It is a separate chemically defined organic compound, qualifying under Chapter 29 Note 1(a), and is specifically named in tariff item 2904.34.00 as the potassium salt of perfluorooctane sulphonic acid.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is accompanied by a certificate of analysis confirming purity >99.5% to support classification as a separate chemically defined compound
• Declare the correct CAS number (2795-39-3) to expedite CBSA processing
• Verify if the product requires an import permit under Canadian environmental regulations, as PFOS is a persistent organic pollutant