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Hazard Predictions

• Generates gas: Reaction liberates gaseous products and may cause pressurization
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive
• Toxic: Reaction products may be toxic

HCl can react violently with F2C=CH2 (vinylidine difluoride), even at -40 C, causing rapid decomposition and pressurization, including evolution of highly toxic HF gas. The reaction is catalyzed by AlCl3, which is commonly found as an impurity in HCl solution (Jensen, J.H. 1981. Chemical and Engineering News 59(14): 3, 59.). In this case, reactivity is due to vinyl group and not the halogenated part of molecule.

Halogenated organics may release toxic HF, HCl, HBr, and/or HI gases upon exposure to acids (predicted).

Potential Gas Byproducts

• Acid Fumes
• Hydrogen Halide (HX)