8564. SMEAH

Nomenclature

CAS number: 22722-98-1
Dihydrobis(2-methoxyethanolato-O,O′)aluminate(1-) sodium; sodium bis(2-methoxyethoxy)aluminum hydride; Red-Al (Aldrich); Vitride (Zeeland).
C6H16AlNaO4; mol wt 202.16.
C 35.65%, H 7.98%, Al 13.35%, Na 11.37%, O 31.66%.
NaAlH2(OCH2CH2OCH3)2.

Description and references

Prepn: B. Casensky et al., US 3507895 (1970). Properties: J. Vit, Eastman Organic Chemical Bulletin 42(3), 1 (1970). Review of reductions by metal alkoxyaluminum hydrides: J. Málek, Org. React. 34, 1-317 (1985); idem, ibid. 36, 252-590 (1987).

Properties

Highly viscous liquid at room temp. Miscible in a great variety of inert solvents (e.g., aromatic hydrocarbons and ethers). Immiscible in paraffinic hydrocarbons. Thermally stable at 200°C; thermal decomposition starts at 205°C and is vigorous.

Use

Reducing agent.