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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
231-820-9
EC name:
Sodium sulphate
CAS number:
7757-82-6
CAS number:
7757-82-6
Synonyms
Names:
Bisodium sulfate; Dibasic sodium sulfate; Disodium monosulfate; Disodium sulfate; Natriumsulfate; Sodium sulphate; Sulfuric acid, disodium salt; Thenardite
Glauber's salt
SODIUM SULPHATE BISODIUM SULFATE DISODIUM MONOSULFATE DISODIUM SULFATE DISODIUM SULPHATE NATRIUMSULFAT (GERMAN) SODIUM SULFATE (2:1) SODIUM SULFATE ANHYDROUS SODIUM SULFATE (NA2SO4) SODIUM SULPHATE SULFURIC ACID, DISODIUM SALT THENARDITE
Sulfuric acid disodium salt
Identifier:
IUPAC name
Disodium sulphate
Identifier:
IUPAC name
disodium sulfate
Identifier:
IUPAC name
sodium sulphate
Identifier:
other: Molecular formula
H2O4S.2Na
Identifier:
other: InChl
InChI=1/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
Identifier:
other: Molecular formula
Na2SO4
Identifier:
other: InChl
PMZURENOXWZQFD-NUQVWONBAZ
Identifier:
other: SMILES notation
[Na+].[Na+].[O-]S(=O)(=O)[O-]
Identifier:
other: SMILES notation
[Na+].[Na+].[O-]S([O-])(=O)=O
Identifier:
other: SMILES notation
[O-]S(=O)(=O)[O-].[Na+].[Na+]

Molecular and structural information

Molecular formula:
Na2O4S
Molecular weight:
142.042
SMILES notation:
[Na+].[Na+].[O-]S([O-])(=O)=O
InChl:
InChI=1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
Structural formula:
Chemical structure

Related substances

Identifier:
CAS number
Identity:
7727-73-3