Sodium Metabisulphite

Product Description

Accessible in white powder form, Sodium Metabisulphite has maximum 10 ppm ferrous content. This chemical easily dilutes in water and glycerol and its storage life is 2 years. This substance is slightly soluble in C2H5OH and readily dilutes in eethanol. It also dilutes in sodium bisulfite. It is accessible in 98% pure form and its molar mass is 190.095g/mol. When exposed to water, Sodium Metabisulphite smells like sulphur dioxide. Density of this chemical is 1.4 g/cm3. It tends to decompose when heat is applied. 

Product Details of Sodium Metabisulphite:

• Product Name : Sodium Metabisulphite
• 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 Number : 7681-57-4
• Color : White granular or powdered salt
• Odor : In the presences of traces of water, it develops an odor of sulfur dioxide
• Boiling Point : Decomposes
• Melting Point : >302 deg F (decomposes)
• Solubility : Freely soluble in water, glycerol ; slightly soluble in alcohol ; Soluble in ethanol ; Very soluble in sodium bisulfite
• 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.