Skip to Content
Merck
CN

403008

Sodium sulfate decahydrate

ACS reagent, ≥99.0%

Synonym(s):

Glauber’s salt

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Linear Formula:
Na2SO4 · 10H2O
CAS Number:
7727-73-3
Molecular Weight:
322.20
NACRES:
NB.24
PubChem Substance ID:
329755975
UNSPSC Code:
12352302
EC Number:
231-820-9
MDL number:
MFCD00149189
Assay:
≥99.0%
Grade:
ACS reagent
Form:
crystals
Solubility:
water: soluble 322.2 g/L at 20 °C

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Sodium sulfate decahydrate, ACS reagent, ≥99.0%

InChI key

RSIJVJUOQBWMIM-UHFFFAOYSA-L

InChI

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

SMILES string

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

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

Quality Level

200

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

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

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.

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCZ9687
MKCX2638
MKCV8290
0000224974
0000224974

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Curbing global warming with phase change materials for energy storage.
Anisur MR, et al.
Renewable and Sustainable Energy Reviews, 18, 23-30 (2013)
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.
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
Min-Jie Cao et al.
The Plant journal : for cell and molecular biology, 73(4), 607-616 (2012-10-26)
Plants play a prominent role as sulfur reducers in the global sulfur cycle. Sulfate, the major form of inorganic sulfur utilized by plants, is absorbed and transported by specific sulfate transporters into plastids, especially chloroplasts, where it is reduced and
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service