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Hutong Global Co. Ltd.


Sodium Dithionite

Sodium Dithionite

Our entire range of products is made using high-quality and certified inputs, which are sourced from reliable vendors present in the market. Our quality auditors follow a strict selection process for the same. Over the years, our company has formed alliances with various leading logistics services providers. Therefore, we can make timely delivery of consignments.


Details :

  • Mol. Formula - Na2S2O4
  • Molecular wt. - 174.11

Properties :

  • The bulk specific weight is 0.7-1.0g/m3 , dissolve in water, slightly dissolve in ethanol. Give off heat and cause combustion easily.
  • Spontaneous decomposition occurs when the temperature is higher than 85, heats up to 190cause detonation.  Self-ignition point is 250.

Physical appearnce :

  • Free-flowing white crystalline powder Sodium Hydrosulphite  90 88 85 Water insoluble0.1 0.2 0.3
  • Sodium thiosulfate - Na2S2O3 1.2 1.25 1.3
  • Sodium metabisulfite - Na2S2O5  5 6 7
  • Sodium bisulfite - NaHSO3 0.4 0.45 0.5
  • Sodium carbonate - Na2CO3 0.6 1.3 2 Zn 0.00008 Fe 0.002

Packing : 50kg or 25kg net in iron drums with double PVC bags

Usage : Sodium hydrosulfite is strength oxidant and is used as bleaching agent for textile and papermaking industry, as synthetic for medicine-making, as absorbent for analysis chemical, and as flotation agent of nonferrous color metal for metallurgical industry

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