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Wellesley Hills, MA

02481

 

Phone: 781.237.9200

Fax: 781.237.9205

 

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Filo Chemical

Sodium Metabisulfite (SMBS) 98% - Food Grade

Na2S2O5

 

Quality Specifications

Sodium Pyrosulfite
Sulfur Dioxide (SO2)
Sodium Sulfite (Na2SO3)
Sodium Sulfate (Na2SO4)
Water
Iron (Fe)
Mercury (Hg)
Lead (Pb)
Zinc (Zn)
Arsenic (As)
Selenium (Se)
Chloride (Cl)
Heavy Metals (as Pb)
Thiosulfate

 98 % min
 66 % min
   1 % max
   2 % max
   0.01 % max
   5 ppm max
   0.01 ppm max
   0.5 ppm max
   0.5 ppm max
   0.4 ppm max
 10 ppm max
 50 ppm max
 10 ppm max
   0.03 % max

Physical Properties

Appearance

Molecular Weight
Bulk Density
pH (10% in water)

 White, compact grained powder with
 a weak odor of sulfur dioxide
 190.1 g.mol-1
 1,100 - 1,200 kg/m3
 4.0 - 4.5

Packaging

  • 25 kg (55 lbs) bags, 49 bags per pallet, 16 pallets/FCL
  • 1,000 kg (2,205 lbs) supersacks, 1 sack/pallet, 19 pallets/FCL

Safety Data

  • CAS No.  7681-57-4