Description
SODIUM HYDROSULFITE
SPECIFICATIONS
NOMENCLATURE : Sodium Hydrosulphite, Hydrosulphite of Soda,
Sodium dithionite.
PHYSICAL FORM : White to grayish-white crystalline free
flowing powder with pungent odour.
CHEMICAL FORMULA : Na2S2O4
PROCESS : Manufactured by Zinc Process.
PROPERTIES :
Molecular wt. : **4.
Bulk Density : 1.1 to 1.4
Melting Point : *5oC
Solubility : Soluble in water, insoluble in alcohol and
methanol.
Odour : Pungent
Shelf Life : Minimum *2 months from the date of packing if
stored in a sealed Air-tight container.
GRADES : GRADE Â Â Â Â Â Â
       Na2S2O4
CONTENT (MIN)Â
Low Purity      Â
     *0% Min, *4% Min, & *0%
Min.
Standard      Â
       *4% Min
& *8% Min.
High Purity      Â
     *2% Min.
APPLICATION : Strong Reducing Agent
Dyeing, Printing and Stripping of Vat Dyes in Textiles.
Bleaching Sugar, Jaggary, Soap, Oils, Minerals Wood Pulp,
Ceramics and Chemicals.
Oxygen scavanger for Synthetic Rubbers.
Discolouration of Effluent.
PACKING : Material is packed in Polythene Bags, placed in New
M.S./ Fiber Drums or Plastic Carboys - **4 Kg, **0 Kg, *0 Kg, *5
Kg, *5 Kg & 1 Kg.Â
STORAGE STABILITY : Keep drums closed when not in use. Store
drums away from heat and water.
SAFETY PRECAUTIONS : Subject to fire if allowed to become
damp. In case of fire, use sand or fire extinguisher. Do not use
water.
SHIPPING DETAILS : One FCL of *0 Feet can accommodate *0
MT.
UN NO. : ***4
IMCO CLASS : 4.2
IMDG NO. : ***2
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