- Category :
Inorganic chemicals/Inorganic salts
- CAS NO : 7681-57-4
- EC NO : 231-673-0
- Molecular Formula : Na2S2O5
- Main Specifications : 1、CONTENT (NA2S2O5, %):96.5 MIN；2、FE (%)：0.003 MAX；3、HEAVY METALS (AS PB) (%)：0.0005 MAX；4、ARSENIC ( AS AS) (%)：0.0001 MAX；5、INSOLUBLE SUBSTANCE IN WATER (%)：0.05 MAX；
- Synonyms : Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);
Package: Packing Material: polypropylene woven bag with polyethylene plastic bag inside；Net weight: 25kg /bag , 50kg /bag ,1000kg/bag
Uses : 1.Industry Use: dyeing mordant, dechlorinating agent for washed fabric, medical deoxidizer and sulfonating agent, decolorant for bamboo, wood and paper fiber, mineral separation agent for nonferrous metals, disposing agent of waste water, rubber coagulato
Molecular Structure:
Product description:
Product Identification:
CAS No.: 7681-57-4
Molecular Formula: Na2s2O5
Specification:
1、CONTENT (NA2S2O5, %):96.5 MIN
2、FE (%)：0.003 MAX
3、HEAVY METALS (AS PB) (%)：0.0005 MAX
4、ARSENIC ( AS AS) (%)：0.0001 MAX
5、INSOLUBLE SUBSTANCE IN WATER (%)：0.05 MAX
Application:
1.Industry Use: dyeing mordant, dechlorinating agent for washed fabric, medical deoxidizer and sulfonating agent, decolorant for bamboo, wood and paper fiber, mineral separation agent for nonferrous metals, disposing agent of waste water, rubber coagulator.
2.Food Use: Bleaching agent (for sugar, pastry, dried slices of tender bamboo shoots, etc.), loosening agent (for bread, biscuit, etc. ), corrosion protection antiseptic (fruit juice, can, etc. ), antioxidant(for lily flower, sea food, fruit, vegetable, etc. )
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