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Hazard Predictions

• Corrosive: Reaction products may be corrosive
• 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

Strong oxidizing acids react exothermically with fluoride and chloride salts to liberate acidic hydrogen fluoride and hydrogen chloride gases respectively, and react with bromide and iodide salts to form elemental bromine and iodine respectively (Housecroft, C. E.; Sharpe, A. G. Inorganic Chemistry, 2nd ed.; Pearson: Harlow (England), 2005, p. 477; Masschelein, W. J. Chlorine Dioxide. Ann Arbor, MI: Ann Arbor Science Publishers Inc., 1979 pp. 114).

Potassium chloride can react with nitric acid to produce potassium nitrate and hydrochloric acid below 40 C, and the chloride ion can be oxidized to chlorine gas in an autoclave above 75 C (Laue, W., Thiemann, M., Scheibler, E. and Wiegand, K. W. 2000. Nitrates and Nitrites. Ullmann's Encyclopedia of Industrial Chemistry. (Online)).

Titanium dioxide is inert to sulfur dioxide and dilute sulfuric acid, and dissolves slightly in hot sulfuric acid (Swiler, D. R. 2005. Pigments, Inorganic. Kirk-Othmer Encyclopedia of Chemical Technology. (Online)).

Potential Gas Byproducts

• Acid Fumes
• Hydrogen Halide (HX)
• Halogen Gas (X2)