Silicon monoxide

Silicon monoxide
Names
Preferred IUPAC name
Silicon monoxide
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.030.198 Edit this at Wikidata
EC Number
  • 233-232-8
382
MeSH Silicon+monoxide
UNII
  • InChI=1S/H3OSi/c1-2/h2H3 ☒N
    Key: UXMAWJKSGBRJKV-UHFFFAOYSA-N ☒N
  • InChI=1/OSi/c1-2
    Key: LIVNPJMFVYWSIS-UHFFFAOYAO
  • InChI=1S/OSi/c1-2
    Key: LIVNPJMFVYWSIS-UHFFFAOYSA-N
  • [O+]#[Si-]
Properties
SiO
Molar mass 44.08 g/mol
Appearance brown-black glassy solid
Density 2.13 g/cm3
Melting point 1,702 °C (3,096 °F; 1,975 K)
Boiling point 1,880 °C (3,420 °F; 2,150 K)
insoluble
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
0
Flash point Non-flammable
Related compounds
Other anions
Silicon sulfide
Silicon selenide
Silicon telluride
Other cations
Carbon monoxide
Germanium(II) oxide
Tin(II) oxide
Lead(II) oxide
Related silicon oxides
Silicon dioxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Silicon monoxide is the chemical compound with the formula SiO where silicon is present in the oxidation state +2. In the vapour phase, it is a diatomic molecule.[1] It has been detected in stellar objects[2] and has been described as the most common oxide of silicon in the universe.[3]

  1. ^ Holleman, Arnold Frederik; Wiberg, Egon (2001), Wiberg, Nils (ed.), Inorganic Chemistry, translated by Eagleson, Mary; Brewer, William, San Diego/Berlin: Academic Press/De Gruyter, ISBN 0-12-352651-5
  2. ^ Gibb, A.G.; Davis, C.J.; Moore, T.J.T., A survey of SiO 5 → 4 emission towards outflows from massive young stellar objects. Monthly Notices of the Royal Astronomical Society, 382, 3, 1213-1224. doi:10.1111/j.1365-2966.2007.12455.x, arXiv:0709.3088v1.
  3. ^ Peter Jutzi and Ulrich Schubert (2003) Silicon chemistry: from the atom to extended systems. Wiley-VCH ISBN 3-527-30647-1.