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Sodium Sulfite
CAS No.:7757-83-7
Synonyms: Sodium sulfite anhydrous; disodium sulfite; sulfurous acid, disodium salt; exsiccated sodium sulfite
Density: 2.633
Description:white crystalline powder
Specification:
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Items
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Index
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Index
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Na2SO3
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≥96%
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≥93%
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Na2CO3
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≤0.4%
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≤0.4%
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Iron (Fe)
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≤200ppm
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≤200ppm
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Water insolubles:
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≤0.05%
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≤0.05%
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Uses: bleaching agent for paper pulps ; waste water treatment; reducing and sulphonating agent for chemical synthesis ; bleaching agent for textiles; colors stripper and deoxidization ; floating agent for mining industry; auxiliary chemical in tanning process .
Packing: 25kg/50Kg Plastic-Woven Bag
25kg/50kg Iron Drums
Storage: Store the product in a cool and dry place; avoid contact sunshine, water and moisture ; avoid contact with strong acid,oxidants or poisonous substances . Exposure to moisture will make it oxidze easily to sodium sulphate . Not store it for a long time .
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