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403008

Sigma-Aldrich

Sodium sulfate decahydrate

ACS reagent, ≥99.0%

Synonym(s):

Glauber’s salt

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About This Item

Linear Formula:
Na2SO4 · 10H2O
CAS Number:
7727-73-3
Molecular Weight:
322.20
EC Number:
231-820-9
MDL number:
MFCD00149189
UNSPSC Code:
12352302
PubChem Substance ID:
329755975
NACRES:
NB.24

grade

ACS reagent

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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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

403008-500G:
403008-5G:
403008-VAR:
403008-100G:
403008-6X500G:
403008-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Curbing global warming with phase change materials for energy storage.
Anisur MR, et al.
Renewable and Sustainable Energy Reviews, 18, 23-30 (2013)
Enhancement of solar thermal energy storage performance using sodium thiosulfate pentahydrate of a conventional solar water-heating system.
Canbazoglu S, et al.
Energy and Buildings, 37(3), 235-242 (2005)
Jia-ying Zhu et al.
Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue, 24(6), 346-348 (2012-10-02)
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
Shijie Liu et al.
The Journal of biological chemistry, 288(13), 8794-8803 (2013-02-09)
Lgr4/Gpr48 is one of the newly identified R-spondins receptors and potentiates Wnt signaling, which regulates intestinal homeostasis. We used a hypomorphic mouse strain to determine the role of Lgr4 in intestinal inflammation and recovery. Intestinal inflammation was induced with dextran
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