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Hazard Predictions

• Polymerization hazard: Polymerization reaction may become intense and may cause pressurization
• Potentially hazardous: May be hazardous but unknown

Isocyanates can undergo polymerization in the presence of an anionic initiator (Richter, R. H. and Priester, R. D. 2000. Isocyanates, Organic. Kirk-Othmer Encyclopedia of Chemical Technology. (Online)). Fluoride ion is a weakly basic anion which could potentially serve to initiate isocyanate polymerization. Caution should be used before proceeding. Further research of comparable examples in the literature or very small scale, carefully controlled experiments may be needed to fully assess compatibility.