A disulfite, commonly known as metabisulfite or pyrosulfite, is a chemical compound containing the ion S 2O2− 5. It is a colorless dianion that is primarily...

odour. It is mainly used as an antioxidant or chemical sterilant. As a disulfite, it is chemically very similar to sodium metabisulfite, with which it...

precipitates as a yellow solid. With more SO2, the solid dissolves to give the disulfite, which crystallises upon cooling. SO2 + 2 NaOH → Na2SO3 + H2O SO2 + Na2SO3...

structure is HO−S(=O)2−S(=O)−OH. The salts of disulfurous acid are called disulfites or metabisulfites. Disulfurous acid is, like sulfurous acid (H2SO3), a...

of the anion with formation of metabisulfite (S 2O2− 5), also known as disulfite: 2 HSO− 3 ⇌ S 2O2− 5 + H2O Because of this equilibrium, anhydrous sodium...

precipitates as a white solid. With more SO2, the solid dissolves to give the disulfite, which crystallizes upon cooling. SO 2 + 2 NaOH ⟶ Na 2 SO 3 + H 2 O {\displaystyle...

crystallize the product yield sodium metabisulfite (also called sodium disulfite), Na2S2O5. Upon dissolution of the metabisulfite in water, bisulfite is...

salt cake 7757-82-6 Na2S2O3 sodium thiosulfate 7772-98-7 Na2S2O5 sodium disulfite 7681-57-4 Na2S2O8 sodium persulfate 7775-27-1 Na2S4 sodium tetrasulfide...

system space group unit cell volume density optical references tricalcium disulfite sulfate dodecahydrate Orschallite Ca3(SO3)2SO4•12H2O 2:1 rhombohedral...

2SO 3 Sulfurous acid SO2− 3 Sulfite H 2S 2O 5 Disulfurous acid S 2O2− 5 Disulfite +4, 0 H 2S 2O 3 Thiosulfuric acid S 2O2− 3 Thiosulfate +3 H 2S 2O 4 Dithionous...