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Anhydrous sodium sulfate

Molecular formula: Na2S2O4
Molecular weight: 142.06

Alias: anhydrous sodium sulfate, anhydrous Glauber's salt

Physicochemical properties: Anhydrous sodium sulfate belongs to monoclinic crystals and has short columnar crystals, is aggregates are compact and crusty, and are colorless and transparent, sometimes with pale yellow or green color, easily soluble in water. White, odorless, bitter crystalline or powdery, hygroscopic. The appearance is colorless, transparent, large crystals or small granular crystals. It is insoluble in strong acids, aluminum and magnesium. It easily hydrates in humid air and turns into a powder of aqueous sodium sulfate over the surface.

Storage: Closed operation, enhanced ventilation. It is recommended that operators wear self-priming filter-type dust masks, wear safety glasses, wear protective clothing, and wear rubber gloves. Avoid dust. When transporting, it should be gently loaded and unloaded to prevent damage to the packaging. Stored it in a cool, ventilated storehouse away from fire and heat sources. Separate it from acids, etc. No mixing storage. Should be stored with appropriate leakage materials in the storage area.


1, The chemical industry is used to make sodium sulfide sodium silicate water glass and other chemical products.

2, The cooking agent used by the paper industry for the manufacture of sulphate pulp.

3, glass industry instead of soda ash as a cosolvent.

4, the textile industry for the deployment of Vinylon spinning coagulant.

5, for non-ferrous metallurgy, leather and other aspects.

6, used to make sodium sulfide, pulp, water glass, enamel, also used as laxatives and antimony salt poisoning antidote.

7, Used as analytical reagent, such as dehydrating agent, digestion catalysts for nitrogen determination, interference inhibitor in atomic absorption spectrometry analysis, and also used in the pharmaceutical industry.

8, used in chemical, paper and glass, dyes, printing and dyeing and pharmaceutical industries, also used in the production of synthetic fibers, leather, non-ferrous metallurgy, porcelain glaze and other applications, or used as detergent and soap additive.

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