Octasulfur

  • octasulfur
    stereo, skeletal formula of octathiocane
    spacefill model of octathiocane
    ball and stick model of octathiocane
    sample of pulverised octasulfur
    names
    systematic iupac name
    cyclo-octasulfur[1]
    octathiocane[2]
    identifiers
    cas number
    • 10544-50-0 ☑y
    3d model (jsmol)
    • interactive image
    chebi
    • chebi:29385
    chembl
    • chembl1235452 ☑y
    chemspider
    • 59726 ☑y
    gmelin reference
    2973
    mesh cyclooctasulfur
    pubchem cid
    • 66348
    comptox dashboard (epa)
    • dtxsid80872924 edit this at wikidata
    properties
    chemical formula
    s8
    molar mass 256.48 g·mol−1
    appearance vivid, yellow, translucent crystals
    density 2.07 g cm−3
    melting point 119 °c; 246 °f; 392 k
    boiling point 444.6 °c; 832.4 °f; 717.8 k
    log p 6.117
    thermochemistry
    std molar
    entropy
    (so298)
    32 j·mol−1·k−1[3]
    std enthalpy of
    formation
    fh298)
    0 kj·mol−1[3]
    related compounds
    related compounds
    hexathiane
    except where otherwise noted, data are given for materials in their standard state (at 25 °c [77 °f], 100 kpa).
    infobox references

    octasulfur is an inorganic chemical with the chemical formula s
    8
    . it is a yellow solid, and is odourless and tasteless. it is the most common allotrope of sulfur. it is a major industrial chemical that occurs widely in nature.[4]

  • nomenclature
  • structure
  • production and reactions
  • see also
  • references
  • external links

Octasulfur
Stereo, skeletal formula of octathiocane
Spacefill model of octathiocane
Ball and stick model of octathiocane
Sample of pulverised octasulfur
Names
Systematic IUPAC name
cyclo-Octasulfur[1]
Octathiocane[2]
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
2973
MeSH Cyclooctasulfur
Properties
S8
Molar mass 256.48 g·mol−1
Appearance Vivid, yellow, translucent crystals
Density 2.07 g cm−3
Melting point 119 °C; 246 °F; 392 K
Boiling point 444.6 °C; 832.4 °F; 717.8 K
log P 6.117
Thermochemistry
32 J·mol−1·K−1[3]
0 kJ·mol−1[3]
Related compounds
Related compounds
Hexathiane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Octasulfur is an inorganic chemical with the chemical formula S
8
. It is a yellow solid, and is odourless and tasteless. It is the most common allotrope of sulfur. It is a major industrial chemical that occurs widely in nature.[4]