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Sigma-Aldrich

Sodium sulfate decahydrate

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

Synonym(s):

Glauber’s salt

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About This Item

Linear Formula:
Na2SO4 · 10H2O
CAS Number:
Molecular Weight:
322.20
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.26

product line

BioUltra

Quality Level

Assay

≥99.0% (calc. on dry substance, T)

form

crystals

impurities

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

loss

53-57% loss on drying

pH

5.0-7.0 (25 °C, 1 M in H2O)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

1.46 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤10 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
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
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.021

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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Application


  • Influence of Carboxymethyl Cellulose as a Thickening Agent for Glauber′s Salt-Based Low Temperature PCM.: This study investigates the use of carboxymethyl cellulose to enhance the performance of Glauber′s salt (sodium sulfate decahydrate) as a phase change material (PCM) for low-temperature applications. The results indicate improved stability and efficiency, making it a viable option for thermal energy storage (Thakkar et al., 2024).

  • Nanoscale Stabilization Mechanism of Sodium Sulfate Decahydrate at Polyelectrolyte Interfaces.: The research explores the stabilization of sodium sulfate decahydrate at the nanoscale when interfaced with polyelectrolytes. This stabilization is crucial for enhancing the material′s applicability in energy storage systems and other industrial applications (Akamo et al., 2024).

  • The application of mirabilite in traditional Chinese medicine and its chemical constituents, processing methods, pharmacology, toxicology and clinical research.: An extensive review of the use of mirabilite (sodium sulfate decahydrate) in traditional Chinese medicine, focusing on its chemical properties, processing techniques, pharmacological effects, and clinical applications. The review underscores its historical and modern therapeutic relevance (Tao et al., 2023).

  • Stabilization of low-cost phase change materials for thermal energy storage applications.: This study addresses the stabilization methods for low-cost phase change materials, including sodium sulfate decahydrate, for use in thermal energy storage. It highlights the material′s potential for cost-effective and efficient energy solutions (Akamo et al., 2023).

Other Notes

Protein precipitant in the purification of nitrate reductase; Fractionation of nucleotides by inorganic salt co-precipitation; Diluent in the luciferase assay of bacterial content

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Determination of bacterial content in fluids,.
Chappelle, E.W., et al.
Methods in Enzymology, 57, 65-72 (1978)
Isolation of cyclic AMP by inorganic salt coprecipitation.
P S Chan et al.
Methods in enzymology, 38, 38-41 (1974-01-01)
Isolation and characterization of nitrate reductase from Escherichia coli.
C H MacGregor
Methods in enzymology, 53, 347-355 (1978-01-01)
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
Mara Schiro et al.
Physical review letters, 109(26), 265503-265503 (2013-02-02)
Pressure exerted by crystallization of salts within porous materials contributes to damage in historic and modern construction. By unequivocally identifying the precipitating phase(s) while simultaneously determining solution supersaturation and associated crystallization pressure in subsurface pores, we show that the formation

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