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7757-82-6 - Sodium sulfate, Puratronic®, 99.9955% (metals basis) - 10874 - Alfa Aesar

10874 Sodium sulfate, Puratronic®, 99.9955% (metals basis)

CAS Number
7757-82-6
Synonyms

Size Price ($) Quantity Availability
25g 167.00
100g 494.00
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Sodium sulfate, Puratronic®, 99.9955% (metals basis)

MDL
MFCD00003504
EINECS
231-820-9

Chemical Properties

Formula
Na2SO4
Formula Weight
142.04
Form
Powder
Melting point
884°
Density
2.680
Refractive Index
1.484
Sensitivity
Hygroscopic
Solubility
Soluble in water, glycerol and hydrogen iodide. Insoluble in ethanol and many organic solvents.

Applications

Sodium sulfate anhydrous is used primarily for drying non-aqueous solvents by removing traces of water. It is used as a fining agent for molten glass, levelling agent in textile processing, and filler in detergents. It is also used in Kraft process for paper pulping, defrosting windows, manufacture of starch, glass, and soap.

Notes

Anhydrous sodium sulfate is hygroscopic in nature, and absorbs moisture converting to the hydrated form. The hydrated form on heating gets converted back to anhydrous form.

Literature References

Baščarevi?, Z.; Komljenovi?, M.; Miladinovi?, Z.; Nikoli?, V.; Marjanovi?, N.; Petrovi?, R. Impact of sodium sulfate solution on mechanical properties and structure of fly ash based geopolymers. Mater. Struct. 2015, 48 (3), 683-697.

Tsuia, N.; Flattb, R. J.; Schererb, G. W. Crystallization Damage by Sodium Sulfate. J. Cult. Herit. 2003, 4 (2), 109-115.

Karami, H.; Yaghoobi, A.; Ramazani, A. Sodium Sulfate Effects on the Electrochemical Behaviors of Nanostructured Lead Dioxide and Commercial Positive Plates of Lead-Acid Batteries. Int. J. Electrochem. Sci. 2010, 5, 1046-1059.

Other References

Merck
14,8680
Harmonized Tariff Code
2833.11
TSCA
Yes
RTECS
WE1650000

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