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Sodium Sulfide
EVS
Product Description
sodium sulfide, also known as alkali, sulfur fossil, sodium sulfide, stench soda. Pure product is colorless or beige granular Crystal, industrial product is red brown or brick red block, Flake, soluble in water, slightly soluble in alcohol, insoluble in ether, its aqueous solution is strong alkaline, easy to oxidize in air, toxic. Pure sodium sulfide, strong moisture absorption, soluble in water. The aqueous solution showed a strong alkaline reaction. Burns can occur when touching the skin and hair. Therefore, sodium sulfide is commonly known as alkali sulfide. Aqueous sodium sulfide is slowly oxidized to sodium thiosulfate, sodium sulfite, sodium sulfate, and sodium polysulfide in air. Due to the rapid formation of sodium thiosulfate, the main product of oxidation is sodium thiosulfate. Sodium sulfide in the air deliquescence, and carbonation and deterioration, continue to release hydrogen sulfide gas.
Use
used in the dye industry for the production of sulfur dyes, is the raw material of blue and blue sulfide. The dyeing and printing industry is used as a dye aid for dissolving sulfur dyes. In the leather industry, hydrolysis is used to depilate hides, and sodium polysulfide is also used to prepare sodium polysulfide to accelerate the soaking of dry skins and help softening. The paper industry is used as a cooking agent for paper. The textile industry is a mordant for the denitrification and nitration reduction of man-made fibers and for the dyeing of cotton fabrics. The pharmaceutical industry is used to produce antipyretic drugs such as phenacetin. In addition, it is also used to make sodium thiosulfate, sodium hydrosulfide, sodium polysulfide, etc.
Product Description
sodium sulfide, also known as alkali, sulfur fossil, sodium sulfide, stench soda. Pure product is colorless or beige granular Crystal, industrial product is red brown or brick red block, Flake, soluble in water, slightly soluble in alcohol, insoluble in ether, its aqueous solution is strong alkaline, easy to oxidize in air, toxic. Pure sodium sulfide, strong moisture absorption, soluble in water. The aqueous solution showed a strong alkaline reaction. Burns can occur when touching the skin and hair. Therefore, sodium sulfide is commonly known as alkali sulfide. Aqueous sodium sulfide is slowly oxidized to sodium thiosulfate, sodium sulfite, sodium sulfate, and sodium polysulfide in air. Due to the rapid formation of sodium thiosulfate, the main product of oxidation is sodium thiosulfate. Sodium sulfide in the air deliquescence, and carbonation and deterioration, continue to release hydrogen sulfide gas.
Use
used in the dye industry for the production of sulfur dyes, is the raw material of blue and blue sulfide. The dyeing and printing industry is used as a dye aid for dissolving sulfur dyes. In the leather industry, hydrolysis is used to depilate hides, and sodium polysulfide is also used to prepare sodium polysulfide to accelerate the soaking of dry skins and help softening. The paper industry is used as a cooking agent for paper. The textile industry is a mordant for the denitrification and nitration reduction of man-made fibers and for the dyeing of cotton fabrics. The pharmaceutical industry is used to produce antipyretic drugs such as phenacetin. In addition, it is also used to make sodium thiosulfate, sodium hydrosulfide, sodium polysulfide, etc.
