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Octasulfur

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Octasulfur

Molecular formula: S8 CAS# 10544-50-0
Categories: simple substances
PubChem CID: 66348 | ChemSpider ID: 59726 | CHEBI:29385 | NSC 603623
Names
English:
Cyclicoctaatomic sulfur
Cyclo-S8
Cyclooctasulfane
Cyclooctasulphur
Octasulfur
Orthorhombic sulfur
S8
Sulfur (S8)
Sulfur molecule (S8)
Sulfur, mol. (S8)
Sulfuroctaatomic molecule
cyclo-octasulfur
cyclooctasulfur
octathiocane(IUPAC)

Variants of the formula:

S8
S|S_p8S_p8S_p8S_p8S_p8S_p8S_p8
S_(x-%a:.7,y1)S_(x-%b:.8,y-.5)S_(x%b,y1.5)S_(x%a,y-1)S_(x%a,y1)S_(x%b,y-1.5)S_(x-%b,y.5)S_(x-%a,y-1)
S$color(gray)_(x%a:1,y-1.5)S_(x%a,y1.5)S_(x%a,y-1.5)$color()S_(y1.5)S_(x-%a,y-1.5)S_(x-%a,y1.5)S_(x-%a,y-1.5)S_#1
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Octasulfur is involved

  • S8 + 4Cl2 -> 4S2Cl2
  • 8NaCN + S8 -> 8NaSCN
  • 2SF6 + 6H2S "400^oC"--> S8 + 12HF
  • 4KHS + S8 -> 2K2S5 + 2H2S
  • 8S2Cl2 + 16C2H4 → 8(ClC2H4)2S + S8