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Sodium Sulfide

Sodium sulfide is a chemical compound with a chemical formula Na2S. It’s a powerful alkaline solution and Despite the fact that the solid-state is yellow, the solution is colourless. It’s usually labelled as “sodium sulfide flakes” in the grades.

Sodium Sulfide (Na2S) has a Variety of Applications

  • It is employed as an oxygen scavenger and a metal precipitant in water treatment.
  • Used as a bleaching agent in the textile sector to preserve developer solutions from oxidation in the photographic business.
  • It’s used to make elastomeric synthetic materials, sulphur colours, and other things.
  • In the crafting process, it’s mostly used in the pulp and paper sector. It improves the sulphate cooking process’ selectivity and speeds up the delignification process.
  • For chemical photography, sodium sulfide is used as a metal precipitant for toning black and white photographs
  • In the textile industry, sodium sulfide is used as a bleaching agent, dechlorinating agent and also desulphurising agent.

 

The IUPAC name of sodium sulfide is disodium sulfide. The oxidation number of sodium sulfide is -2, whereas its pH value is 10.4.

Synonyms

  • Sodium Sulphide
  • Sodium Sulfuret
  • Sodium Monosulphide

 

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