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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
231-449-2
EC name:
Sodium dihydrogenorthophosphate
CAS number:
7558-80-7
CAS number:
7558-80-7
Synonyms
Names:
Identifier:
IUPAC name
Sodium dihydrogenorthophosphate
Identifier:
common name
Phosphoric acid sodium salt (1:1)
Identifier:
common name
Phosphoric acid, monosodium salt
Identifier:
common name
Sodium phosphate, monobasic
Identifier:
common name
monosodium orthophosphate
Identifier:
other: InChl
1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
Identifier:
other: Molecular formula
H2NaO4P
Identifier:
other: SMILES notation
OP(=O)(O)[O-].[Na+]

Molecular and structural information

Molecular formula:
NaH2PO4
or H2NaO4P
or H3O4P.Na
Molecular weight:
119.98
SMILES notation:
[O-]P(=O)(O)O.[Na+]
InChl:
InChI=1/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
Structural formula:
Chemical structure

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