Structural Formula Vector Image
Title: Tetrasilane
CAS Registry Number: 7783-29-1
Additional Names: Tetrasilicon decahydride; silicobutane; tetrasilicane; tetrasilicobutane
Molecular Formula: H10Si4
Molecular Weight: 122.42
Percent Composition: H 8.23%, Si 91.77%
Line Formula: Si4H10
Literature References: Prepn by the action of hydrochloric acid on magnesium silicide: Stock, Somiesky, Ber. 49, 111 (1916); 54B, 524 (1921); 56B, 247 (1923); Stock et al., Ber. 56, 1695 (1923); Emeleus, Maddock, J. Chem. Soc. 1946, 1131.
Properties: Liquid. mp ~-90°; bp 109°; vapor pressure 7.8 mm Hg at 0° (Stock et al., loc. cit.). mp -84.3°; bp (calc) 107.4°; vapor pressure 9.1 mm Hg at 0° (Emeleus, Maddock, loc. cit.). d0 0.825. Dec at room temp; explodes in air. Reacts vigorously with CCl4 and CHCl3. Dec in water.
Melting point: mp ~-90°; mp -84.3°
Boiling point: bp 109°; bp (calc) 107.4°
Density: d0 0.825

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