Chinese alias: sodium metabisulfite; Sodium disulfite monohydrate; Sulfur heavy oxygen; Sodium pyrosulfite; Sodium metabisulfite; Sodium pyrosulfite; Sodium pyrosulfite for food.

Appearance: white or yellowish crystalline powder or small crystals

Product specification: sulfur dioxide ≥ 65%

Iron is 0.005% or less

Water insoluble matter ≤ 0.05%

PH: 4.0 to 4.6

Chinese name of chemical: sodium metabisulfite

English name of chemical :sodium metabisulfite

Category: antioxidants.