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403008

Sodium sulfate decahydrate

Name: Sodium sulfate decahydrate
Brand: SIGALD

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

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

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Properties

grade

ACS reagent

Quality Level

200

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 (PO₄^3-): ≤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

Description

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

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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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)

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Global Trade Item Number

SKU	GTIN
403008-100G	04061831986389
403008-500G	04061831986396