Substance:Sodium sulfate

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• Molecular formula: Na₂O₄S
• Molar mass: 142.042
• CAS Registry Number: 7757-82-6
• Appearance: Sodium sulfate, anhydrous, 99.99% (metals basis); Sodium sulfate, anhydrous, 99%; Sodium sulfate decahydrate, 99%; Sodium sulfate, ACS, 99.0% min; Sodium sulfate, Puratronic®, 99.9955% (metals basis); Sodium sulfate, anhydrous, 99.99% (metals basis); Sodium sulfate, anhydrous, 99%; Sodium sulfate decahydrate, 99%; Sodium sulfate, ACS, 99.0% min; Sodium sulfate, Puratronic®, 99.9955% (metals basis); White crystals or powder
• Melting point: 884 °C
• Boiling point: Not available
• Solubility: Soluble in water. Insoluble in alcohol
• Safety sheet: Not available
• Spectra: Check on SDBS. Add Spectra (Help).

From Wikipedia

Sodium sulfate is the sodium salt of sulfuric acid. When anhydrous, it is a white crystalline solid of formula Na₂SO₄ known as the mineral thenardite; the decahydrate Na₂SO₄·10H₂O is found naturally as the mineral mirabilite, and in processed form has been known as Glauber's salt or, historically, sal mirabilis since the 17th century. Another solid is the heptahydrate, which transforms to mirabilite when cooled. With an annual production of 6 million tonnes, it is a major commodity chemical product.

Sodium sulfate is mainly used for the manufacture of detergents and in the Kraft process of paper pulping. About two-thirds of the world's production is from mirabilite, the natural mineral form of the decahydrate, and the remainder from by-products of chemical processes such as hydrochloric acid production.

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Other names

Disodium sulfate (IUPAC Name); Bisodium sulfate; Dibasic sodium sulfate; Disodium monosulfate; disodium sulphate; sodium sulphate; Sulfuric acid disodium salt; Disodium salt sulfuric acid; thenardite

References

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