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403008

Sigma-Aldrich

Sodium sulfate decahydrate

ACS reagent, ≥99.0%

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Synonym(s):
Glauber’s salt
Linear Formula:
Na2SO4 · 10H2O
CAS Number:
Molecular Weight:
322.20
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.24

grade

ACS reagent

Quality Level

Assay

≥99.0%

form

crystals

impurities

≤0.01% insolubles

pH

5.2-9.2 (25 °C, 5%)

mp

32.4 °C

solubility

water: soluble 322.2 g/L at 20 °C

density

1.46 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 ppm
phosphate (PO43-): ≤5 ppm

cation traces

Ca: ≤0.005%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.003%
heavy metals (as Pb): ≤3 ppm

SMILES string

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

InChI

1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2

InChI key

RSIJVJUOQBWMIM-UHFFFAOYSA-L

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This Item
7196971970246980
Sodium sulfate decahydrate ACS reagent, ≥99.0%

Sigma-Aldrich

403008

Sodium sulfate decahydrate

Essential Grade
Sodium sulfate decahydrate BioUltra, ≥99.0% (calc. on dry substance, T)

Sigma-Aldrich

71969

Sodium sulfate decahydrate

Premium Grade
Sodium sulfate decahydrate reagent grade, 97%

Sigma-Aldrich

246980

Sodium sulfate decahydrate

Essential Grade
assay

≥99.0%

assay

≥99.0% (calc. on dry substance, T)

assay

≥99.0% (calc. based on dry substance, T)

assay

97%

form

crystals

form

crystals

form

crystals

form

crystals or granules

impurities

≤0.01% insolubles

impurities

insoluble matter, passes filter test, ≤0.0005% total nitrogen (N)

impurities

≤0.0005% total nitrogen (N)

impurities

-

pH

5.2-9.2 (25 °C, 5%)

pH

5.0-7.0 (25 °C, 1 M in H2O)

pH

5.0-8.0 (25 °C, 50 mg/mL in H2O)

pH

5-7

mp

32.4 °C

mp

-

mp

-

mp

-

General description

Sodium sulfate decahydrate is also called as Glauber′s salt. It shows promising characteristics as phase change material (PCM) due to its high solar thermal energy storage ability.

Application

Sodium sulfate decahydrate may be used to deepen the color while dyeing cotton fabrics.6

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Crystal structures of sodium sulfate decahydrate (Glauber's salt) and sodium tetraborate decahydrate (borax). Redetermination by neutron diffraction.
Levy HA and Lisensky GC.
Acta Crystallographica Section B, Structural Science, 34(12), 3502-3510 (1978)
Enhancement of solar thermal energy storage performance using sodium thiosulfate pentahydrate of a conventional solar water-heating system.
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To investigate the effect of nasal tube feeding of rhubarb solution and umbilical compress of Glauber's salt for purgation in the treatment of patients with severe acute organophosphorus pesticide poisoning (AOPP). A retrospective study was conducted. Eighty patients with severe
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