Overweight to sodium sulfite

Overweight to sodium sulfite

With strong smell of SO2, specific weight of 1.4, it is soluble in water and acidic in aqueous solution. Contact with strong acid will release SO2 and generate corresponding salts. If it is kept in the air for a long time, it will be oxidized to Na2S2O6.Above 150 degrees Celsius, SO2 is decomposed.

Item no. : 070706

Other names: sodium disulfite, heavy sulfur oxygen, sodium pyrosulfite, sodium pyrosulfite for food

English name: Sodium sulfite

Chemical formula: Na2S2O5

Molecular weight: 190.09

C A S: 7681-57-4

Manufacturer: shantou xilong

Package: AR 500g/ bottle x 20 bottles/piece

Sex: white or yellowish crystalline powder or small crystal.

To use:

1. Used in printing and dyeing, organic synthesis, printing, leather making, pharmaceutical and other departments;It is used as preservative, bleach and loosening agent in food processing.

2. Used for the purification of insurance powder, sulfadimethazine analgin, caprolactam, chloroform, phenylpropyl sulfone and benzaldehyde.The photographic industry is used as an ingredient for fixing agents.The fragrance industry is used to produce vanillin.Used as preservative for brewing industry, rubber coagulant and dechlorination agent for cotton cloth after bleaching.