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Sodium Metabisulphite
  • Product Name : Sodium Metabisulphite
  • Chemical Formula : Na2O5S2
  • CAS No. : 7681-57-4
  • Molecular Weight : 190。10
  • Appearance : white crystal powder
  • H.S. CODE/HS : 28321000
  • Prodcution Capacity : 150000 MT

帝皇彩票Sodium Metabisulphite Specifications:

Item Tech Grade Food Grade
Na2S2O5 content 97.0 %min 97.0 %min
SO2 65.0%min 65.0%min
Heavy metals (as Pb)   0.0005%max
Arsenic (As) 0.0001%max 0.0001%max
Iron (Fe) 0.005%max 0.003%max
Water insoluble 0.05%max 0.04%max

Sodium Metabisulphite Application:

  • Used as raw material for the making of nitrocompounds, azo dyes; as mordant for textile dyeing, as metal thermal treatment agent, as electro-plating corrosion inhibitor etc.

Sodium Metabisulphite Properties:

  • white or yellowish crystal, molecular weight: 69.0, specific wt.: 2.168, odorless with slight salty taste, easily soluble in water, m.p.: 271oC, decomposition temperature: 320oC.

Sodium Metabisulphite Packing:

  • 25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.

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