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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
237-249-1
EC name:
Disodium phosphonate
CAS number:
13708-85-5
CAS number:
13708-85-5
Synonyms
Names:
Identifier:
IUPAC name
Sodium hydrogen phosphonate (2:1:1)
Identifier:
common name
Phosphonic acid, disodium salt (1:2)
Identifier:
common name
disodium hydrogen phosphite
Identifier:
common name
disodium phosphite

Molecular and structural information

Molecular formula:
HPO3Na2
or HNa2O3P
or H3O3P.2Na
Molecular weight:
125.96
SMILES notation:
[O-]P(=O)[O-].[Na+].[Na+]
InChl:
InChI=1/2Na.H3O3P/c;;1-4(2)3/h;;4H,(H2,1,2,3)/q2*+1;/p-2
Structural formula:
Chemical structure

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