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Reference substances

Reference substances

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IUPAC name:
dipotassium disulphate

Inventory

EC number:
232-216-8
EC name:
Dipotassium disulphate
CAS number:
7790-62-7
CAS number:
7790-62-7
Synonyms
Names:
Disulfuric acid, dipotassium salt
Identifier:
other: Molecular formula
H2O7S2.2K
Identifier:
other: InChl
InChI=1/2K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q2*+1;;/p-4
Identifier:
other: SMILES notation
[K+].[K+].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-]
dipotassium disulphate

Molecular and structural information

Molecular formula:
K2O7S2
Molecular weight:
254.32
SMILES notation:
[K+].[K+].[O-]S(=O)(=O)OS([O-])(=O)=O
InChl:
InChI=1/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
Structural formula:
Chemical structure

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