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71970

Sodium sulfate decahydrate

Name: Sodium sulfate decahydrate
Brand: SIGALD

puriss. p.a., crystallized, ≥99.0% (calc. based on dry substance, T)

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:

NA.21

PubChem Substance ID:

329763671

UNSPSC Code:

12352302

EC Number:

231-820-9

MDL number:

MFCD00149189

Assay:

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

Form:

crystals

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Properties

grade

puriss. p.a.

Quality Level

200

assay

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

form

crystals

quality

crystallized

impurities

≤0.0005% total nitrogen (N)

loss

53-57% loss on drying, 130 °C

pH

5.0-8.0 (25 °C, 50 mg/mL in H₂O)

density

1.46 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤10 mg/kg, phosphate (PO₄^3-): ≤10 mg/kg

cation traces

Ca: ≤20 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤20 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

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 (Glauber′s salt, mirabilite, Na₂SO₄·10H₂O) is the decahydrate salt of sodium sulfate. Its crystal structure has been investigated by single-crystal neutron diffraction studies. Its crystallization enthalpy has been evaluated. It can be synthesized by reacting MnSO₄, thiophene-2,5-dicarboxylic acid and sodium glutamate.

Application

Nanoscale Stabilization Mechanism of Sodium Sulfate Decahydrate at Polyelectrolyte Interfaces: Discusses the stabilization mechanisms at the nanoscale, providing insights into sodium sulfate decahydrate′s applications in polyelectrolyte-enhanced processes, relevant in materials science and engineering (Akamo et al., 2024).

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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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Hydrothermal Synthesis and Crystal Structure of A Special Sodium Sulfate Decahydrate (Na₂SO₄?10H₂O).

Zhang L and He YX.

Asian Journal of Chemistry, 26(12) (2014)

Thermodynamics of crystallization of sodium sulfate decahydrate in H₂O-NaCl-Na₂SO₄: application to Na₂SO₄?10H₂O-based latent heat storage materials.

Marliacy P, et al.

Thermochimica Acta, 344(1), 85-94 (2000)

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, Crystal Engineering and Materials, 34(12), 3502-3510 (1978)

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Global Trade Item Number

SKU	GTIN
71970-1KG	04061826715222