Sodium Metabisulfite (SMBS) 97% - Food Grade

Chemical Formula: Na2S2O5

CAS No. :7681-57-4

Quality Specifications

  • Sodium Pyrosulfite (Na2S2O5)

    97 % min

  • Sulfur Dioxide (SO2)

    65 % min

  • Iron (Fe)

    30 ppm max

  • Arsenic (As)

    1 ppm max

  • Heavy Metals (as Pb)

    5 ppm max

  • Water Insoluble

    0.05 % max

Physical Properties

  • Appearance

    White, crystal powder with a faint odor of sulfur dioxide

  • Molecular Weight

    190.09 g.mol-1

  •  pH (10% in water)

    4.0 - 4.5

Packaging

  • 25 kg (55 lbs) PE liner/PP woven bag, 40 bags/pallet

  • 1,000 kg (2,205 lbs) supersacks

The information provided in this document is believed to be accurate and was obtained from sources believed to be reliable. However, the information is provided without any representation or warranty, expressed or implied, with respect to its accuracy or completeness. It is the users’ responsibility to determine the suitability of this product and relevance of this information for its use. Filo Chemical does not assume liability resulting from the use, handling, storage, and disposal of this product.