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Specifications

1. Nomenclature Sodium Hydrosulphite, Hydrosulphite of Soda, Sodium dithionite.
2. Physical Form White to grayish-white crystalline free flowing powder with pungent odour.
3. Chemical Formula Na2S2O4
4. Molecular wt. 174.
5. Bulk Density 1.1 to 1.4
6. Melting Point 55oC
7. Solubility Soluble in water, insoluble in alcohol and methanol.
8. Odour Pungent
9. GRADES GRADE             Na2S2O4 CONTENT (MIN) 
    Low Purity         70% Min, 74% Min, & 80% Min.
    Standard           84% Min & 88% Min.
    High Purity        92% Min.

Packing

Material is packed in Polythene Bags, placed in New M.S./ Fiber Drums or Plastic Carboys - 114 Kg, 100 Kg, 50 Kg, 25 Kg, 25 Kg & 1 Kg. 

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Last modified: May 23, 2004