Product description :

Sodium metabisulphite extrapure min. 99% is a fine chemical. It is supplied by FINAR.Sodium metabisulphite is used in pharmaceutical formulations and it acts as an antioxidant. It is used as a food preservative. It is used as a disinfectant. It is used in water treatment industry. It is used as solvent. This Sodium metabisulphite extrapure min. 99% by FINAR is prepared under controlled environment and using high-purity material which is tested to check it's assay before manufacturing, following all Quality Assurance Guidelines.

Product features :

• Appearance : Fine white crystalline powder
• Solubility: Freely soluble in water. Slightly soluble in alcohol
• pH(5% aq soln) : 3.8 - 5.3
• Chloride(Cl) : 0.05% max
• Thiosulphate(S2O3) : 0.05% max
• Iron(Fe) : 0.001% max
• Heavy metal(as Pb) : 0.002% max
• Synonym : sodium pyrosulfite

Product specifications :

• Product name : Sodium metabisulphite extrapure
• Brand : FINAR
• Catlog number : 11630SR500
• CAS number : 7681-57-4
• Molecular formula : Na2S2O5
• Molecular weight : 190.1
• Assay(iodometric):Min. 96.00%
• Quantity : 5 Kg