| CAS No.: | 134-03-2 |
|---|---|
| Formula: | C6h7nao6 |
| EINECS: | 205-126-1 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Powder |
| Quality: | Refined |
| Samples: |
|---|
| Customization: |
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Product Name
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Sodium ascorbate |
|
Category
|
API
|
|
Analysis
|
HPLC
|
|
Storage
|
Keep in cool and dry place, well-closed, away from moisture or direct sunlight.
|
Sodium ascorbate is widely used in food, beverage, cultivation and animal feed additives, and some other fields.
Specification:
| Test Item | Unit | The Standard |
| Appearance | White to slightly yellow crystalline powder | |
| Identification | Positive | |
| Assay | % | 99.0-101.0 |
| Sulphate | ppm | 150 Max |
| PH(10%, W/V) | 7.0-8.0 | |
| Specific rotation | +103º~+106º | |
| Impurity E | % | 0.3 Max |
| Copper | ppm | 2 Max. |
| Heavy Metals(as Pb) | ppm | 3 Max. |
| Mercur y | ppm | 1 Max |
| Lea d | ppm | 2 Max |
| Arseni c | ppm | 3 Max. |
| Nickel | PPM | 1 Max |
| Oxalic Acid | % | 0.2 Max. |
| Iron | ppm | 2 Max. |
| Loss of drying | % | 0.25 Max. |
| Residual solvents (as Methano l) |
ppm | 3000 Max. |
| Related substances | Impurity C≤0.15% Impurity D≤0.15% Other unspecific impurities≤0.10% Total impurity≤0.2% |
|
| Total plate count | Cfu/g | ≤1,000 |
Vitamin C sodium is white or very yellow crystalline or crystalline powder substance, stable in dry condition, easy to decompose in wet condition oxidation color becomes darker in light, specific rotation +104.4.
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