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Substance Name: Pyrosulfuric acid
RN: 7783-05-3
UNII: NTC1O8E83E
InChIKey: VFNGKCDDZUSWLR-UHFFFAOYSA-N

Molecular Formula

  • H2-O7-S2

Molecular Weight

  • 178.1408
 
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Names and Synonyms

Name of Substance

  • Pyrosulfuric acid

Synonyms

  • EINECS 231-976-8
  • Sulfuric acid anhydride
  • UNII-NTC1O8E83E

Systematic Names

  • Disulfuric acid
  • Disulphuric acid

Registry Numbers

CAS Registry Number

  • 7783-05-3

FDA UNII

  • NTC1O8E83E

Related Registry Numbers

  • 13870-29-6 (di-hydrochloride salt)
  • 7790-62-7 (di-potassium salt)

System Generated Number

  • 0007783053

Structure Descriptors

InChI

1S/H2O7S2/c1-8(2,3)7-9(4,5)6/h(H,1,2,3)(H,4,5,6)

InChIKey

VFNGKCDDZUSWLR-UHFFFAOYSA-N

Smiles

OS(=O)(=O)OS(=O)(=O)O