85% 7775-14-6 Sodium Hydrosulfite

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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 190 cause detonation. Self-ignition point is 250.

Physical appearnce :

• Free-flowing white crystalline powder Sodium Hydrosulphite  90 88 85 Water insoluble  0.1 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