Customization: | Available |
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CAS No.: | 7681-57-4 |
Formula: | Na2s2o5 |
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Food Preservative | |
Antimicrobial | It is commonly used as a food preservative for dried foods, as well as fruit concentrate juices. It acts as an antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping food fresh and safe. |
In beer and wine manufacturing, it is used as both a sterilizer and an antioxidant in the process of brewing beer or fermenting wine. |
Component | Industrial Grade | Food Grade | High Purity Grade |
Appearance | White or yellowish crystalline powder | ||
Assay(Na2S2O5 ) | 96.5%min | 97%min | 98%min |
water insoluble matter | 0.05%max | 0.03%max | 0.02%max |
Iron content(Fe) | 0.005%max | 0.003%max | 0.002%max |
Arsenic content(As) | 0.0001%max | 0.0001%max | 0.0001%max |
Pb | 0.0005%max | 0.0005%max | 0.0003%max |