chempirical

Frémy's salt

K2NO7S2CAS 14293-70-0268.32 g/mol

Open in Covalent MOL file
O−SOONOSO−OOK+K+

Properties

Molecular formula
K2NO7S2
Molar mass
268.32 g/mol
Exact mass
267.8390 Da
logP
-8.44Crippen estimate
Polar surface area
137.5 Ų
H-bond donors / acceptors
0 / 6
Rotatable bonds
2

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless. Search the SDS library

Identifiers

CAS number
14293-70-0
SMILES
[O-]S(=O)(=O)N([O])S([O-])(=O)=O.[K+].[K+]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

Weigh it out

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Names and synonyms

11 names
  • Nitrosodisulfonic acid, potassium salt (1:2)
  • Nitrosodisulfonic acid, dipotassium salt
  • Potassium nitrosodisulfonate
  • Nitroxide, disulfo, dipotassium salt
  • Potassium nitrosyldisulfonate
  • Potassium peroxylaminedisulfonate
  • Fremy's salt
  • Potassium disulfonate nitroxyl
  • Dipotassium nitrosodisulfonate
  • Fremys salt
  • Potassium nitrosodisulfonate (K2(SO3)2NO)

Reactions

Work with Frémy's salt

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Elsewhere

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