8494. Silicon Disulfide

Nomenclature

CAS number: 13759-10-9
S2Si; mol wt 92.22.
S 69.54%, Si 30.45%.
SiS2.

Description and 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.