Sodium hydride is the chemical compound with the empirical formula NaH. It is primarily used as a strong, yet combustible base in organic synthesis. NaH is representative of the saline hydrides, meaning it is a salt-like hydride, composed of Na+ and H− ions, in contrast to the more molecular hydrides such as borane, methane, ammonia and water. It is an ionic material that is insoluble in organic solvents (although soluble in molten Na), consistent with the fact that H− remains an unknown anion in solution. Because of the insolubility of NaH, all reactions involving NaH occur at the surface of the solid.
Chemical Name Sodium hydride
CAS No. 7646-69-7
Molecular Formula HNa
Molecular Weight 23.99770
Appearance & Physical State solid/liquid mixture
Melting Point 800ºC (dec.)
Flash Point 185ºC
Storage Condition Store at RT.
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