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Reference substances

Reference substances

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General information

Inventory

EC number:
231-781-8
EC name:
Dipotassium peroxodisulphate
CAS number:
7727-21-1

No inventory information available

Reference substance information

IUPAC name:
dipotassium [(sulfoperoxy)sulfonyl]oxidanide
Synonyms
Names:
Peroxydisulfuric acid ([(HO)S(O)2]2O2), dipotassium salt
Identifier:
CAS number
7727-21-1
Identifier:
IUPAC name
Dipotassium peroxodisulphate
Identifier:
IUPAC name
dipotassium [(sulfonatoperoxy)sulfonyl]oxidanide
Identifier:
IUPAC name
dipotassium peroxodisulphate
Identifier:
other: InChl
1/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
Identifier:
other: InChl
1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
Identifier:
other: Molecular formula
H2O8S2.2K
Identifier:
other: InChl
InChI=1/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
Identifier:
other: Molecular formula
K2S2O8
Identifier:
other: InChl
USHAGKDGDHPEEY-UHFFFAOYSA-L
Identifier:
other: SMILES notation
[K+].[K+].O=S(=O)([O-])OOS([O-])(=O)=O
Identifier:
other: SMILES notation
[K+].[K+].[O-]S(=O)(=O)OOS(=O)(=O)[O-]
Identifier:
other: SMILES notation
[O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]
dipotassium sulfonatooxy sulphate

CAS information

CAS number:
7727-21-1

Molecular and structural information

Molecular formula:
K2O8S2
Molecular weight:
270.322
SMILES notation:
S(=O)(=O)([O-])OOS(=O)(=O)[O-].[K+].[K+]
InChl:
InChI=1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
Structural formula:
Chemical structure