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Disulfuric acid

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Disulfuric acid

Molecular formula: H2O7S2 CAS# 7783-05-3
Categories: Inorganic acids
Names
English:
Disulfuric acid [Wiki]
Disulphuric acid
EINECS:231-976-8
Pyrosulfuric acid
Sulfuric acid anhydride
Русский:
Дисерная кислота
Пиросерная кислота [Wiki]
French:
Acide disulfurique(IUPAC)
acide pyrosulfurique
oléum
German:
Dischwefelsäure(IUPAC) [Wiki]
Pyroschwefelsäure
auch Oleum
हिन्दी:
डाइसल्फ्यूरिक अम्ल [Wiki]
日本語:
ピロ硫酸
二硫酸 [Wiki]
Português:
Ácido dissulfúrico [Wiki]
Ácido pirossulfúrico
中文:
焦硫酸 [Wiki]

Variants of the formula:

H2S2O7
HO/S`|O|<_(A75,N2)O>\O/S`|O|<_(A75,N2)O>\OH
HO-S-O-S-OH; O||#2||O; O||#4||O
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Disulfuric acid is involved

  • SO3 + H2SO4 <=> H2S2O7
  • H2S2O7 + H2O -> 2H2SO4