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Sulfur trioxide

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Sulfur trioxide

Molecular formula: O3S CAS# 7446-11-9
Categories: Oxide
Names
English:
227692_ALDRICH
425478_ALDRICH
AC1Q6YFD
Sulfan
Sulfite radical anion
Sulfonylideneoxidane
Sulfur trioxide(CAS) [Wiki]
Sulfuric anhydride
Sulphur trioxide
UN 1829
oxosulfane dioxide
Русский:
Оксид серы(VI) [Wiki]
серный ангидрид
серный газ
треокись серы
триоксид серы
German:
Acidum sulfuricum anhydricum
Schwefelsäureanhydrid
Schwefeltrioxid [Wiki]
العربية:
أنهدريد الكبريتيك
ثلاثي أكسيد الكبريت(IUPAC) [Wiki]
سولفان
Español:
Anhídrido sulfúrico
Trióxido de azufre(IUPAC)
anhidruro del ácido sufúrico
Óxido de azufre (VI) [Wiki]
Óxido de azufre (VI) Stock
French:
Trioxyde de soufre(IUPAC) [Wiki]
anhydride sulfurique
Italiano:
Anidride solforica
triossido di zolfo(IUPAC) [Wiki]
日本語:
三酸化硫黄(IUPAC) [Wiki]
無水硫酸
中文:
三氧化硫 [Wiki]
氧化硫(VI)
硫酸酐
Português:
Anídrido sulfúrico
Óxido de enxofre
Óxido sulfúrico [Wiki]

Variants of the formula:

SO3
O//S`|O|\\O
O\\S|O`|//O
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sulfur trioxide is involved

  • 2SO2 + O2 <=> 2SO3
  • SO3 + H2O -> H2SO4
  • 2SO2 + O2 -> 2SO3
  • Fe2(SO4)3 "500-700^oC"--> Fe2O3 + 3SO3"|^"
  • SO2 + O3 -> SO3 + O2