Sodium Metabisulphite LR/AR

Sodium Metabisulphite LR/AR
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.
Contact Us

No. 6, Gandhi Oil Mill Compound, Industrial Area, Gorwa Road Vadodara Gujarat India +918037301617
Phone :+918037301617