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Potassium borohydride

English name Potassium borohydride
CAS RN 13762-51-1
EINECS 237-360-5
Molecular formula KBH4
Molecular weight 53.9411
Physical and chemical properties White crystal or grayish yellow crystalline powder. Density 1.178g / cm3. The air absorbs moisture slightly and is not very stable. Dissolve in water and slowly release hydrogen. Soluble in liquid ammonia, amines, slightly soluble in methanol, ethanol, insoluble in ether, benzene, tetrahydrofuran, methyl ether and other hydrocarbons. Hydrogen can be liberated by acid. Stable in alkali. Decomposes at about 500 ° C in vacuum.
Use Used as a reducing agent for aldehydes, ketones, acid chlorides, etc .; as a reducing agent for analytical chemistry, pesticides, paper industry, and other fine chemical products. It can also be used for the treatment of mercury-containing wastewater.
Structural formula  
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