Nomenclature
CAS number: 7784-21-6
AlH
3; mol wt 30.01.
Al 89.91%, H 10.08%.
Description and references
Mild, selective reducing agent. Prepd by treating
lithium hydride with an ether solution of aluminum chloride: A. E.
Finholt et al., J. Am. Chem. Soc. 69, 1199 (1947). Brief review: K. Lopinti, Synlett 2005, 2265-2266.
Properties
Colorless solid, nonvolatile, probably highly
polymerized and containing residual ether which cannot be completely
removed. Dangerous when wet.Use
As catalyst for polymerizations; reducing agent.
Lithium aluminum hydride,
q.v. is a more powerful reagent because of its greater soly.