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Metal Hydrides, Metal Alkyls, Metal Aryls, and Silanes mixed with
Water and Aqueous Solutions

Hazard Predictions

• Corrosive: Reaction products may be corrosive
• 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

Diethylgallium hydride reacts violently with water (J. J. Eisch, J. Amer. Chem. Soc., 1962, 84, 3835).

Bis(trimethylsilylmethyl)magnesium reacts violently with water (Andersen, R. A. et al., Inorg. Synth., 1979, 19, 264).

Butyllithium reacts so exothermically with water that any flammables nearby (esp. the butane product and the solvent that the butyllithium is dissolved in) will ignite (MCA Safety Data Sheet 91, MCA, Washington, 1966).

Diethylberyllium reacts explosively with water (Coates, G. E., Green, M. L. H., Wade, K. 1967. Organometallic Compounds. London: Methuen. Vol. 1, p. 106).

Diethylmagnesium and dimethylmagnesium ignite on contact with water (Gilman, H. et al., J. Amer. Chem. Soc., 1930, 52, 5048).

Diisopropylberyllium explodes when it reacts with water (Coates, G. E. et al., J. Chem. Soc., 1954, 22).

Dimethylberyllium reacts explosively with water (Coates, G. E., Green, M. L. H., Wade, K. 1967. Organometallic Compounds. London: Methuen. Vol. 1, p. 106).

Dimethylzinc reacts explosively with water (Leleu, J., Cahiers de Notes Documentaires, 1977, (88), 371).

1,2-Dicesiumethane reacts violently with air (Leleu, J., Cahiers de Notes Documentaires, 1977, (88), 366).

Triethylgallium reacts violently with water (Dennis, L. M. et al., J. Amer. Chem. Soc., 1932, 54, 182).

Triphenylaluminum reacts exothermically and may emit sparks on contact with water (Neely, T. A. et al., Org. Synth., 1965, 45, 107).

Aluminum alkyl hydrides may result in a violent reaction and generation of flammable gases upon exposure to water or moist air (Ruff, J. K. Inorg. Synth. 1967 p. 9, 34).

Aluminum borohydride is pyrophoric and explodes in oxygen, but only in the the presence of traces of moisture. Reacts vigorously with water, liberating hydrogen, which may ignite (The Merck Index, Rahway (NJ), Merck and Co. Inc., 11th ed., 1989; Ellern, H. 1968. Military and Civilian Pyrotechnics. New York: Chemical Publishing Co. p. 45).

Lithium hydride burns readily in air, particularly if powdered. The compound may ignite spontaneously in moist air. The chemical reacts rapidly with water to form caustic lithium hydroxide and hydrogen (Sullivan, E. and Wade, R. 1980. Hydrides. Kirk-Othmer Encyclopedia of Chemical Technology, 3rd ed. John Wiley & Sons, Inc.).

Methylsodium may spontaneously ignite in moist air. It is a strong reducing agent which reacts with light metals to form H2 gas, potentially leading to a fire or explosion. It reacts violently with water and acids to form methanol and sodium hydroxide, causing the hazard of possible methanol ignition (Handling 365bet娱乐 Safely, Dutch Association of Safety Experts, Dutch Chemical Industry Association, Dutch Safety Institute, 1980, p. 850).

Potential Gas Byproducts

• Hydrogen (H2)
• Hydrocarbons
• Base Fumes
• Aluminum Oxide (Al2O3)