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7439-93-2 - Lithium, granular, packed under argon, 99% - L08331 - Alfa Aesar

L08331 Lithium, granular, packed under argon, 99%

Número CAS
7439-93-2
Nombre Alternativo

Lithium, granular, packed under argon, 99%

MDL
MFCD00134051
EINECS
231-102-5

Propiedades químicas

Fórmula
Li
Punto de fusión
180°
Punto de ebullición
1342°
Densidad
0.584
Sensibilidad
Air & Moisture Sensitive

Referencias documentales

Lithium is the most reactive metal in the Birch reduction of aromatic rings, and is also less sensitive than other metals to iron-catalyzed reaction with ammonia. For reviews of the Birch reduction, see: Tetrahedron, 45, 1579 (1989); Org. React., 42, 1 (1992), and of Li-amine systems in reduction: Synthesis, 391 (1972).

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Birch reduction of 1-methylnaphthalene leads to preferential reduction of the non-substituted ring. This selectivity is reversed by the introduction of a silyl group, an effect which is general for silylated polynuclear aromatics: Tetrahedron, 45, 5441 (1989). For selective reduction of acetylenes to (E)-alkenes in 1,3-diaminopropane, see: Synth. Commun., 23, 2397 (1993).

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For use in the preparation of activated magnesium, see Magnesium chloride anhydrous, A14608.

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Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H260-H314

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

Indicaciones de precaución: P231+P232-P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Handle under inert gas. Protect from moisture. Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Merck
14,5520
Clase de peligro
4.3
Grupo de embalaje
I
Código de tarifa arancelaria unificado
2805.19
TSCA
Yes
RTECS
OJ5540000

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