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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
dipotassium oxide

Inventory

EC number:
235-227-6
EC name:
Dipotassium oxide
CAS number:
12136-45-7
CAS number:
12136-45-7
Synonyms
Names:
Potassium monoxide
Identifier:
IUPAC name
(potassiooxy)potassium
Identifier:
IUPAC name
Dipotassium hydroxide
Identifier:
IUPAC name
Dipotassium oxide
Identifier:
IUPAC name
Potassium oxide
Identifier:
other: InChl
1/2K.O/q2*+1;-2
Identifier:
other: InChl
1S/2K.O
Identifier:
other: InChl
InChI=1/2K.O/q2*+1;-2
Identifier:
other: InChl
InChI=1S/2K.H2O/h;;1H2/q2*+1;/p-1
Identifier:
other: InChl
InChI=1S/2K.O
Identifier:
other: SMILES notation
[K+].[K+].[O-2]
Identifier:
other: SMILES notation
[K+].[K+].[OH-]
Identifier:
other: SMILES notation
[K]O[K]

Molecular and structural information

Molecular formula:
K2O
Molecular weight:
ca. 94.2
SMILES notation:
O([K])[K]
InChl:
InChI=1/2K.O/rK2O/c1-3-2
AuxInfo=1/0/N:2;3;1/rA:3nOKK/rB:s1;s1;/rC:-.0138,.5207,0;-1.3621,-.2621,0;1.3759,-.2621,0;/R:/0/N:2,3,1/E:(1,2)
Structural formula:
Chemical structure

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