| Customization: | Available |
|---|---|
| CAS No.: | 7681-57-4 |
| Formula: | Na2s2o5 |
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Chemical Analysis- Sodium metabisulphite Food Grade
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Component
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Standard
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Result
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Appearance
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white or yellowwish crystalline powder
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Confirm
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Content
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≥96.5%
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97.50%
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Fe
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≤0.003
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0.0015
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Clarity
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Clarify
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confirm
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Pb
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≤0.0005
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0.0002
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As
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≤0.0001
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0.0001
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SO2
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>65%
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66.8%
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PH Value
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4.0-4.6
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4.3
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Water soluble
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20ºC,54g/100ml water
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Confirm
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Chemical Analysis- Sodium metabisulphite Industrial Grade
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Component
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Standard
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Result
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Appearance
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white or yellowwish crystalline powder
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Confirm
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Content
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≥96.5%
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97.00%
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Fe
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≤0.005
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0.0015
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Water insoluble matter
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≤0.05
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confirm
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Pb
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≤0.0005
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0.0002
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As
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≤0.0001
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0.0001
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SO2
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>65%
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66.8%
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PH Value
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4.0-4.6
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4.4
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Water soluble
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20ºC,54g/100ml water
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Confirm
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Chemical name
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Sodium Metabisulfite
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Molecular Formula
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Na2S2O5
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CAS
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7681-57-4
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Character
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White or yellow crystalline powder or small crystalline, with a strong smell of sulfur dioxide, it is soluble in water.
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In food industry, it is used as bleaching agents, preservatives, loosen agents, antioxidants, color protecting agents and preservatives.
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The Doctor industry is used for the production of chloroform, phenylpropane and benzaldehyde.
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The rubber industry is used as a coagulant.
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The printing and dyeing industry is used as a dechlorination agent for cotton bleaching and a cotton cooking agent.
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Tannery industry for leather treatment, can make leather soft, plump, tough, with waterproof, anti - folding, wear resistance and other properties.
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