Perfluorooctane Sulfonyl Fluoride (POSF) from Japan
Perfluorooctane sulfonyl fluoride (POSF) is the acid fluoride derivative of perfluorooctane sulfonic acid. It is a halogenated, sulfonated derivative of a hydrocarbon and is explicitly covered by the tariff item's description, which includes perfluorooctane sulphonyl fluoride.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the product is labelled as perfluorooctane sulfonyl fluoride with the correct CAS number (307-35-7)
• Since POSF is a precursor to PFOS, it may be subject to Canada's toxic substances regulations
• Provide a certificate of analysis to confirm the chemical structure