Sodium Metabisulphite

  • CAS No :

    7681-57-4
  • HS Code :

    283210000
  • Chemical Formula :

    Na₂O₅S₂

  • Molecular Weight :

    190.09
  • EINECS No :

    231-673-0
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Specification

Item

Description

Appearance 

White Powder

Main content (Na₂O₅S₂)

97% Min

Sulfur Dioxide (SO2) 65% Min
Heavy Metals (As Pb) 0.0005% Max

Iron ( Fe)

0.005% Max

Water Insoluble % 0.05% Max
Arsenic(As)% 0.0001% Max

PH Value

4.4-4.5

Grade

Industrial Grade

Application

It is widely used in Mining industry as flotation agent; It is used as developing agent in photography, used as Solidification agent in rubber industry, dechlorinating agent and cotton fabric scouring agent in textile industry, leather Treatment, also used as reducing agent in chemical industry, as a Cleaning agent in water treatment.

Packing

25kg, 50kg, 1000kg, 1250kg jumbo bags, and customer's marking bags.

Handling and Storage

Store in a cool and dry place, away from moisture, heat. Protect the materials from the sun or rain during transportation.

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