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Topic summary

Octasulfur

Octasulfur
Names Systematic IUPAC name
  • cyclo-Octasulfur
  • Octathiocane
  • Cyclooctasulfane
Other names
Octasulfur
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
2973 MeSHCyclooctasulfur
UNII
  • InChI=1S/S8/c1-2-4-6-8-7-5-3-1
    Key: JLQNHALFVCURHW-UHFFFAOYSA-N
  • S1SSSSSSS1
Properties S8Molar mass256.48 g·mol Appearance Vivid, yellow, translucent crystals Density2.07 g/cm Melting point119 °C; 246 °F; 392 K Boiling point444.6 °C; 832.4 °F; 717.8 K log P6.117 Thermochemistry 32 J·mol·K 0 kJ/mol Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Octasulfur is an inorganicsubstance with the chemical formula S8. It is an odourless and tasteless yellow solid, and is a major industrial chemical. It is the most common allotrope of sulfur and occurs widely in nature.

Wikipedia source