Silicon Disulfide
Title: Silicon Disulfide
CAS Registry Number: 13759-10-9
Molecular Formula: S2Si
Molecular Weight: 92.22
Percent Composition: S 69.54%, Si 30.45%
Line Formula: SiS2
Literature References: Prepd from SiO2 and Al2S3: Tiede, Ber. 59, 1703 (1926); Zintl, Loosen, Z. Phys. Chem. A174, 301 (1935).
Properties: White, fibrous mass or needles. Yields H2S on contact with moist air. d 2.02. mp 1090° (sublimes). Burns when held in flame. Sol with decompn in water, alcohol, alkaline solns. Insol in benzene.
Melting point: mp 1090° (sublimes)
Density: d 2.02

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