Chemicals - Sodium Metabisulphite


Aditya Birla




25 Kg Bag

Grade Standard

Food & Technical Grade

General Description

Sodium Metabisulphite is a free flowing white crystalline powder with odor of SO2. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent.


Food Industry, Water treatment industry, Industrial applications, Paper industry, Textile industry, Mining industry, Rubber Industry, Etc.


Items Specifications Items Specifications
Assay % w/w 97.5 Min Iron (As Fe) ppm 10 Max
Bulk Density 1.2 – 1.3 kg/dm3 Heavy Metals (As Pb) ppm 10 Max
Appearance of 20% Solution Clear & Colorless or Pale yellow. Selenium (As Se) ppm 5 Max
SO2 % 65.7 Min. Arsenic (As As) ppm 3 Max
Sulfate % w/w 2.5 Max Lead ppm 2 Max
Insolubles % w/w 0.1 Max Mercury ppm 1 Max
pH of 10% Solution @ 25°C 4.0 – 5.5 Test for sodium Passes test
Chloride as NaCl ppm 50 Max Chloride as NaCl ppm 50 Max
Test for sulphite Passes Test Thiosulphate % w/w 0.1 Max

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