Lithium aluminum hydride
Purity: ≥97%
Appearance: white or off-white crystalline powder;
Properties: stable in dry air, hydrolytic in humid air and cause combustion. Can be dissolved in ether, tetrahydrofuran and other organic solvents. Aldehydes, ketones, acids, anhydrides, esters, quinones, acyl chloride can be reduced to alcohols, nitriles to primary amines, halogenated hydrocarbons to hydrocarbons. But you can’t usually hydrogenate the carbon-carbon double bond.
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CAS no. : 16853-85-3
EINECS no. : 240-877-9
Molecular formula: AlH4Li
Molecular weight: 37.9543
Melting point: 125 ℃
Solubility: insoluble in hydrocarbons, soluble in ether
Density: relative density (water =1)0.92
Stability: stability
Uses: in medicine, spices, pesticides, dyes and other fine organic synthesis as a reducing agent.
Health hazard: this product has strong irritation to mucous membrane, upper respiratory tract, eyes and skin. After inhalation, death may result from spasm of the larynx and bronchus, inflammation, edema, chemical pneumonia, or pulmonary edema. Exposure can cause burning sensation, cough, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.
Toxicological data and environmental behavior.
Dangerous characteristics: lithium hydride and aluminum metal are decomposed when heated to 125℃, and hydrogen is released. It burns when ground in air. Heat or contact with moisture, water, alcohol, acid, that is, exothermic reaction and release of hydrogen and combustion or explosion. Explodes on contact with a strong oxidizer.
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