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204447

Sodium sulfate

≥99.99% trace metals basis

Synonym(s):

Bisodium sulfate, Dibasic sodium sulfate, Disodium sulfate

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About This Item

Linear Formula:
Na2SO4
CAS Number:
7757-82-6
Molecular Weight:
142.04
PubChem Substance ID:
24852268
eCl@ss:
38030405
UNSPSC Code:
12352302
NACRES:
NA.23
EC Number:
231-820-9
MDL number:
MFCD00003504
Assay:
≥99.99% trace metals basis
Form:
powder
Solubility:
ethanol: insoluble(lit.)
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Quality Segment

200

assay

≥99.99% trace metals basis

form

powder

reaction suitability

core: sodium

impurities

≤100.0 ppm Trace Metal Analysis

mp

884 °C (lit.)

solubility

ethanol: insoluble(lit.)

density

2.68 g/mL at 25 °C (lit.)

SMILES string

[Na+].[Na+].[O-]S([O-])(=O)=O

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

Application

Sodium sulfate can be used to prepare aqueous solutions for various electrochemical reactions such as direct nitrate electroreduction and to study carrier transfer in Mn-oxide/Nb: SrTiO3 photoelectrode. It can also be used as a solvent to fabricate heat storage materials such as silica gel–sodium sulfate composites.

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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