Introduction of CAS:7681-57-4 | Sodium metabisulfite
It is used as a preservative, bleach and loose agent in food processing. Industrial sodium sulfite used in printing and dyeing, organic synthesis, printing, leather, pharmaceutical and other departments; Sodium pyrosulfite is used in the chemical and pharmaceutical industries for the production of insurance powder, sulfadimethylpyrimidine, caprolactam, etc., as well as the purification of chloroform, phenylpropansulfone and benzene formaldehyde. Used in the photographic industry as a fixing agent ingredient. The spice industry is used to produce vanillin. Used as preservative in brewing industry, rubber coagulant and dechlorination agent after cotton bleaching. Organic intermediates, dyes, tannery used as reducing agents used in electroplating industry, wastewater treatment in oil fields and as beneficiation agents in mines.
Specification of CAS:7681-57-4 | Sodium metabisulfite
|
ITEMS |
SPECIFICATION |
|
Melt point |
>300 °C (lit.) |
|
Boiling point |
140-145°C(lit.) |
|
Density |
1.48 |
|
Water Solubility |
540 g/L (20 ºC) |
|
Solubility |
540 g/L (20°C) |
|
Form |
Powder |
|
Color |
White to slightly yellow |
|
PSA |
124.92000 |
|
LogP |
0.27220 |
|
Storage condition |
Store at RT. |
Related Articles of CAS:7681-57-4 | Sodium metabisulfite
Sodium metabisulfite is used in a variety of scientific research applications. It is used as a reducing agent in organic synthesis, and it is also used as a preservative for biological samples. It is used in the production of polymers, and it is also used in the production of paper and textiles. In addition, it is used in the production of pharmaceuticals and in the production of cosmetics.
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