One of the most important applications of sodium metabisulfite is in the food and beverage industry, where it is used as a preservative and a bleaching agent. It works by releasing sulfur dioxide, which prevents the growth of bacteria and other microorganisms that can spoil food. It is also used as a reducing agent in the production of wine and beer.
In addition to its food-related applications, sodium metabisulfite is used in a variety of industrial processes. It is used in the production of paper, textiles, and leather, as well as in the manufacture of various types of chemicals. It is also used in water treatment to remove chlorine and other impurities.
Sodium metabisulfite is a versatile and cost-effective chemical that has numerous applications. However, like any chemical compound, it should be handled with care and in accordance with safety guidelines. It is important to wear protective equipment, such as gloves and goggles, when working with this compound.
Compound |
Specification |
Appearance |
WHITE OR LIGHT YELLOW CRYSTALLINE POWDER |
Na2S2O5 |
≥97 |
SO2 |
≥65.0 |
Fe |
≤0.002 |
As |
≤0.0001 |
WATER INSOLUBLE |
≤0.02 |
PH |
4-4.8 |
Package: 25kg/bag
Storage should be at cool, dry and ventilate.
In conclusion, sodium metabisulfite is a white crystalline or powder solid that is widely used in the food and beverage industry as a preservative and a bleaching agent. It is also used in a variety of industrial processes, including paper production, water treatment, and chemical manufacturing. While it is a very useful chemical, it should be handled with care and in accordance with safety guidelines. Remember to always use protective equipment when working with sodium metabisulfite.