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Sodium Erythorbate CAS 6381-77-7
Sodium Erythorbate Quick Details
Product Name: Sodium Erythorbate
Other name: isoascorbic
CAS No.: 6381-77-7
Molecular Fomula: C6H7NaO6
Molecular weight: 198.11
Appearance: White crystalline powder
Sodium Erythorbate SpecificationItem | Specifications | Results |
Assay | 98.0%-100.5% | 99.2% |
Description | White crystalline powder | Conforms |
Identification | Positive | Positive |
Specific Rotation(at 25℃) | +95.5°~ +98° | +96.7° |
pH(1:20) | 5.5-8.0 | 7.3 |
Loss on drying | ≤0.25% | 0.04% |
Lead | ≤2ppm | <2ppm |
Heavy metals(as Pb) | ≤10ppm | <10ppm |
Sodium | Passes test | Conforms |
Ascorbic Acid/Colour reaction | Freely soluble in water,very slightly soluble in ethanol |
Conforms |
Solubility | Passes test | Conforms |
Oxalate | Passes test | Conforms |
Conclusion | The results conforms with the Standard of FCC VII& E316. | |
Up to the standard | ||
Sodium Erythorbate is White crystalline powder,Slightly salty. It is quite stable in the air in a dry state. But in solution, it will deteriorate in the presence of air, trace metals, heat and light. Melting point above 200 ℃ (decomposition). Easily soluble in water (17g / 100m1). Almost insoluble in ethanol. The pH value of the 2% aqueous solution is 5.5 to 8.0.
Used as food antioxidants, anti-corrosion color additives, Cosmetic antioxidants. It can consume oxygen in cosmetics, reduce high-valent metal ions, transfer the redox potential to the reduction range, and reduce the generation of undesirable oxidation products. It can also be used as anticorrosive color additive.
Sodium Erythorbate Packaging
25KG/ carton
Sodium Erythorbate Storagekeep low-temperature drying and avoid sunlight
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