Na2S CAS# 1313-82-2 ​

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Chemical Name: Na2S
CAS No.: 1313-82-2
Molecular Fomula: Na2S
Molecular weight: 78.04
Appearance: Yellow flakes
Sample: Available

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Description of Na2S

Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions. When exposed to moist air, Na2S and its hydrates emit hydrogen sulfide, which smells like rotten eggs. Some commercial samples are specified as Na2S·xH2O, where a weight percentage of Na2S is specified. Commonly available grades have around 60% Na2S by weight, which means that x is around 3. Such technical grades of sodium sulfide have a yellow appearance owing to the presence of polysulfides. These grades of sodium sulfide are marketed as ‘sodium sulfide flakes’. Although the solid is yellow, solutions of it are colorless.

Basic Info of Hesthsulphid

Basic Info
Numbering system
Properties
Safety Info
Basic Info

Numbering system

Properties

Safety Info

What is Hesthsulphid?

• With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Na2S which has developed particularly rapidly in recent years. Do you know about Na2S?
• The official answer: Sodium sulfide, also known as stinky alkali, stinky soda, sulfuric alkali, is an inorganic compound, colourless crystalline powder, moisture absorption, easily soluble in water, the aqueous solution is strongly alkaline. Touching the skin and hair will cause burns, so sodium sulfide is commonly known as sulfuric alkali. When exposed to the air, sodium sulfide will emit toxic hydrogen sulfide gas with a rotten egg smell. Industrial sodium sulfide is pink, brownish-red and earthy yellow in colour due to impurities.

What’s the application of Hesthsulphid?

Used in the dye industry for the production of sulfide dyes, is the raw material of sulfide green and sulfide blue. Printing and dyeing industry as a dyeing aid to dissolve sulfide dyes. In the tanning industry, it is used for hydrolysis to make raw hides dehairing and also used to prepare sodium polysulfide to accelerate the soaking of dry hides to help soften. Paper industry Chemicalbook used as a paper cooking agent. The textile industry is used for denitrification of man-made fibre and reduction of nitrate, and mordant for dyeing cotton fabric. The pharmaceutical industry is used to produce phenacetin and other antipyretic drugs. In addition, it is also used to make sodium thiosulfate, sodium thioglycollate, sodium polysulfide, etc.

Conclusion

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