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7580-67-8 - Lithium hydride, 97+% - A17948 - Alfa Aesar

A17948 Lithium hydride, 97+%

Número CAS
Nombre Alternativo

Tamaño Precio ($) Cantidad Disponibilidad
50g 60,20
100g 107,00
250g 237,00
1000g 800,00
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Lithium hydride, 97+%


Propiedades químicas

Peso molecular
Punto de fusión
Air & Moisture Sensitive
Reacts violently with water. Soluble in ether, liquid ammonia. Insoluble in benzene, and toluene.


Used for preparation of anhydrous Li salts of carboxylic acids prior to reaction with organothium reagents (most often methyl or phenyl) as a useful route to ketones. Also used in the preparation of LiCN by reaction with acetone cyanohydrins. It is also applied as a desiccating and condensing agent and a shielding material in nuclear energy production. It is used in the manufacture of catalysts for polyolefin plastics; in fuels for aircraft, missiles. It is used in metallurgy, as degasifier, deoxidizer, desulfurizer; as grain refiner in non-ferrous metals. Employed as a chemical intermediate for butyllithium polymerization catalyst; in alloys with aluminum or magnesium for aerospace uses.


Air & Moisture Sensitive. Store away from acids, alcohols, oxidizing agents, air, water/moisture. Keep the container tightly closed and place it in a cool, dry and well ventilated condition. Store under inert gas.

Referencias documentales

Takeshi Ohkuma.; Shohei Hashiguchi.; Ryoji Noyori. A practical method for activation of commercial lithium hydride: reductive silylation of carbonyl compounds with lithium hydride and chlorotrimethylsilane.J. Org. Chem.,1994,59(1), 217-221.

F.E. Pretzel.; G.N. Rupert.; C.L. Mader.; E.K. Storms.; G.V. Gritton.; C.C. Rushing. Properties of lithium hydride I. Single crystals.J. Phys. Chem. Solids.,1960,16(1-2), 10-20.

Used for preparation of anhydrous Li salts of carboxylic acids prior to reaction with organothium reagents (most often methyl or phenyl) as a useful route to ketones. For a comprehensive review of this method, see: Org. React., 18, 1 (1970). For an example (cyclohexyl methyl ketone), see: Org. Synth. Coll., 5, 775 (1973).

For preparation of LiCN by reaction with acetone cyanohydrin, see: Org. Synth. Coll., 7, 517 (1990).

A procedure for activation involves treatment with TMS chloride and a catalytic amount of Zn or a Zn salt. This reagent will reduce a ketone to the TMS ether of the alcohol: J. Org. Chem., 59, 217 (1994).

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H260-H314-H318

In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and eye damage. Causes serious eye damage.

Indicaciones de precaución: P210-P231+P232-P262-P280-P305+P351+P338-P308-P310-P378m

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Handle under inert gas. Protect from moisture. Do not get in eyes, on skin, or on clothing. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Immediately call a POISON CENTER or doctor/physician. Use for extinction: Limestone powder.

Otras referencias

Clase de peligro
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Código de tarifa arancelaria unificado


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