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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)
• 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)).

Barium salts of hydroperoxides are explosive when dry (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.).

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)).

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 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).

Basic salts may react with organic peroxides to liberate toxic SO2 and NOx, combustion-enhancing O2, and inert CO2 gases (Predicted).

Potential Gas Byproducts

• Carbon Dioxide (CO2)
• Oxygen (O2)