Name: Sodium Pyrosulfite
Grade: Food Grade/Industry Grade
Molecular formula:Na2S2O5
CAS No.: 7681-57-4
EINECS: 231-673-0
Grade: Industrial, food grade
Appearance: White or yellow crystalline powder or small crystal with strong SO2 smell.
Application:
It is used as preservative, bleach and loose agent in food processing.
The perfume industry is used for the production of vanillin.
Organic intermediates, dyestuffs and tanning are used as reducing agents.
It is used as electroplating industry, waste water treatment in Oilfield and mineral dressing agent used in mines.
It is used as bleaching agent mordant, reducing agent, rubber coagulant, and also used in organic synthesis pharmaceuticals and spices.
Specification:
Items | Specification | Results |
Content(Na2S2O5) % | 96.5min | 97.0 |
Fe % | 0.003max | 0.002 |
As % | 0.0001max | 0.00008 |
Heavy metal(Pb) % | 0.0005max | 0.0001 |
Packing: 25kg/woven bag with PE lining
Storage & Transportation: Stored in a dry and ventilating warehouse. Keeping away from moisture and hot; unloaded with care. Stored separately from poisonous substances.
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