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Hazard Predictions

• Flammable: Reaction products may be flammable
• Generates gas: Reaction liberates gaseous products and may cause pressurization
• Unstable when heated: Reaction products may be unstable above ambient temperatures
• Toxic: Reaction products may be toxic

Hydrogen cyanide adds across the triple bond of acetylene to form acrylonitrile, in the presence of CuCl catalyst (Hort, E. V. and Taylor, P. 2003. Acetylene-Derived 365bet娱乐. Kirk-Othmer Encyclopedia of Chemical Technology. (Online)). Other inorganic cyanides and alkynes may react in a similar way.

The combination of heavy metal cyanides (containing metals such as silver or copper) with alkynes having attached hydrogen atoms may yield explosion-sensitive metal acetylides (Predicted). In such cases, flammable and toxic HCN gas would be produced. 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. The generation of gases may be rather slow, however confinement may lead to dangerous conditions.

Potential Gas Byproducts

• Hydrogen Cyanide (HCN)