Title: Silicon Tetraacetate
CAS Registry Number: 562-90-3
CAS Name: Acetic acid tetraanhydride with silicic acid
Molecular Formula: C8H12O8Si
Molecular Weight: 264.26
Percent Composition: C 36.36%, H 4.58%, O 48.44%, Si 10.63%
Line Formula: Si(CH3COO)4
Literature References: Prepd from SiCl4 + (CH3CO)2O: Balthis, Inorg. Synth. 4, 45 (1953).
Properties: Extremely hygroscopic cryst mass. Hydrolyzed rapidly by moist air. mp 110°. Dec at 160-170° with evolution of acetic anhydride. bp6.0 148°. Violent reaction on contact with water. Forms SiO2 and ethyl acetate on contact with alcohol. Moderately sol in acetone, benzene.
Melting point: mp 110°
Boiling point: bp6.0 148° |