sodium sulphide details                                                       inorganic chemical

  SODIUM SULPHIDE

(Sodium Sulphuret)

 

Yellow or brick red lumps or flakes or deliquescent crystals

 

 

  

 

Chemical Formula : Na2S,

           Na2S.9H2O

 

 
Specific Gravity 1.427 (at 16*C)
Decomposition Point 920 *C
Boiling Point More Than 1600*C
 Solubility Water & Alcohol and insoluble in ether.
Market Applications

In tanneries for removing hair from hides and skins.
In pharmaceutical industries as a selective and cost-efficient reducing  agent.
For obtaining Sulphur Black Dyes.
In Ore floatation.
As analytical reagent.
In Engraving.
In viscose Rayon Industry for removing Sulphur.
In the production of Heavy water used for Atomic Power Plants.
To remove heavy metals from waste waters in many industries.
In the craft wood-pulping process, it is used in synthetic cooking liquor.
In the manufacture of lubricating oils.
In the production of polysulphide elastomers.
 
Chemical Specifications
 

 

Sodium Sulphide Flakes Iron - Free

 

 

   

 
Characteristic

Specifications
Appearance  : Yellow flakes
Total Sulphide as Na2S

60% Min.
Sodium Hydrosulphide as NaHS

2.5% Max.
Excess alkali as NaOH 2.00% Max
Other reducing compounds as Na2S2O3 2.00% Max
Iron as Fe2O3 and Aluminium compounds

0.002% Max.
Sulphate as Na2S04 1.00% Max
Chloride as NaCl 1.00% Max.
Water insolubles

0.20% Max

Packings:  25 / 50 Kg Polythene laminated H.D.P.E. bags or 50 Kg                      M.S.Drums.

Sodium Sulphide      Flakes

    

Characteristic Specifications
Appearance: Reddish Brown flakes
Total Sulphide as Na2S

60% Min.
Sodium Hydrosulphide as NaHS 2.5% Max.
Excess Alkali as NaOH 2% Max.
Other reducing Compounds as Na2S2O3 2% Max.
Iron as Fe2O3 and Aluminium Compounds 0.5% Max.
Sulphate as Na2SO4 1% Max.
Chloride as NaCl 1% Max.
Water insolubles 0.25% Max.
 Packing: 25 / 50 Kg Polythene laminated H.D.P.E. bags or 50 Kg                   M.S.Drums.

Sodium Sulphide  Solid

 

Characteristic Specifications
Appearance: Reddish Brown
Total Sulphide as Na2S

60% Min.
Sodium Hydrosulphide as NaHS 2.5% Max.
Excess Alkali as NaOH 2% Max.
Other reducing Compounds as Na2S2O3 2% Max.
Iron as Fe2O3 and Aluminium Compounds 0.5% Max.
Sulphate as Na2SO4 1% Max.
Chloride as NaCl 1% Max.
 Packing: 120 -140 Kg in M.S.Drums

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