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Hazard Predictions

• Flammable: Reaction products may be flammable
• 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

Tertiary alkyl hydroperoxides decompose to dialkyl peroxides in the presence of metal cations, evolving O2 gas (Klenk, H., P.H. Gotz, R. Siegmeier, and W. Mayr. 2002. Peroxy Compounds, Organic. In Ullmann's Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA. (Online)).

Many salts catalyze exothermic decomposition of peroxides (Sanchez, J., T.N. Meyers. 2000. Peroxides and Peroxide Compounds, Organic Peroxides. In Kirk-Othmer Encyclopedia of Chemical Technology. John Wiley & Sons. (Online); Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 2708).

Reactions of peroxides with transition metal salts are violent and evolve O2 gas (Sharpless, K.B. et al. 1979. Aldrichimica Acta 12:71).

Exposure of acid salts to organic peroxides may liberate toxic SO2, NOx, and halogen gases along with inert CO2 gas. Additionally, combustion-enhancing O2 gas may also be liberated (Predicted).

Benzoyl peroxide undergoes a thermal decomposition to CO2, BzOH, benzene and other hydrocarbons, and diphenyl ether (Uetake, et al. Chem. Abs. 1974. 81 5175). O2 gas may also be released from the decomposition of organic peroxides (Davies, A. G. Organic Peroxides. London: Butterworths, 1961. pp. 171).

Some peroxides may liberate aldehydes upon decomposition, such as dimethyl peroxide which gives formaldehyde upon decomposition (Rodd, E. H, Ed. Chemistry of Organic Compounds. New York: Elsevier Publishing Company, 1951. Vol. Ia pp. 327).

Potential Gas Byproducts

• Carbon Dioxide (CO2)
• Oxygen (O2)