Sodium Metabisulphite LR/AR

Product Description

Sodium Metabisulphite LR/AR offered by us is widely utilized as the disinfectant, preservative, & antioxidant in food processing & winemaking industries and desalination systems. It appears as white-colored powdery solid with molecular formula Na₂S₂O₅ with the molar mass of 190.107 g/mol. This compound is soluble in water & glycerol and shows the density of 1.48 g/cm³. It has a melting point of 170 degrees Celsius and produces faint SO2 like odor.  Sodium Metabisulphite LR/AR also serves as the cleaning agent for the RO membrane and as a preservative for food items with E number E223. It is available at reasonable rates in bulk amounts as demanded by our respected clients. 

Key Features :

• Comes in either powder solid or white crystalline form
• Completely soluble in ethanol solution
• Great stability when exposed to air
• Moisture gradually oxidizes to sulfate solution

Product Details:

• Product Name : Sodium Metabisulphite LR/AR
• Chemical Names : Sodium metabisulfite; Sodium pyrosulfite; 7681-57-4; Sodium disulfite; Disodium pyrosulfite
• PubChem CID : 656671
• Molecular Formula : Na₂S₂O₅ or Na₂O₅S₂
• Molecular Weight : 190.095 g/mol
• CAS No : 7681-57-47757-74-6
• EC Number : 231-673-0
• Monoisotopic Mass : 189.898 g/mol
• Exact Mass : 189.898 g/mol
• Appearance : White crystalline or powder solid
• Color : White to yellowish crystals or powder
• Odor : In the presences of traces of water, it develops an odor of sulfur dioxide
• Melting Point : greater than 302° F (Decomposes)
• Solubility : Soluble in ethanol, Very soluble in sodium bisulfite, Solubility in water
• Density : 1.4 g/cm³
• Stability : On exposure to air and moisture is slowly oxidized to sulfate.
• Decomposition : Decomposes on heating with ultimate formation of sodium sulfate.