Sodium bis(2‑methoxyethoxy)aluminum hydride

Sodium bis(2‑methoxyethoxy)aluminum hydride

CAS Number:22722‑98‑1

Synonyms:Sodium bis(2‑methoxyethoxy)aluminum hydride; Sodium dihydro‑bis(2‑methoxyethoxy)aluminate; Red‑Al; Vitride; SMEAH

Chemical Formula:C₆H₁₆AlNaO₄

Molecular Weight:202.16 g/mol

Product Introduction

A colorless solid commonly supplied as ~70 wt% solution in toluene (≈3.5 M). A potent hydride reducer used extensively in organic synthesis for the selective reduction of epoxides, aldehydes, ketones, esters, carboxylic acids, amides, nitriles, and nitro compounds

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Physical & Chemical Properties

Property Value
Appearance Transparent, colorless crystals; 70 % in toluene is viscous (≈1.036 g/mL)
Density (70 % soln) ~1.036 g/mL @ 25 °C
Viscosity ~65 cP (70 % soln)
Solubility Soluble in toluene, ethers, aromatic solvents; rapidly hydrolyzes in moisture
Stability Sensitive to air, moisture; degrades >200 °C

Applications

  • Reduction of carbonyls, epoxides, nitriles, amides to alcohols or amines
  • Used in ring-opening polymerizations and crosslinking agents

Safety & Handling

  • Flammable and moisture-sensitive—releases hydrogen gas when exposed to water. Use under dry/inert atmosphere, with full PPE. Store sealed under inert gas, away from moisture and ignition sources. GHS: H260, H314.

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