Sodium Ascorbate
Antioxidants · CAS 134-03-2
CAS No.
134-03-2
Description
Applications: 1.Product Name: BP/EP/USP/FCC High Purity 99.8% Vitamin C Sodium Ascorbate 134-03-2 2.CAS NO: 134-03-2 3.Purity: 99%min 4.Appearance: White to slightly yellow crystalline powder
Specifications
| Analysis contents | Analysis standard BP2010 | Analysis results |
|---|---|---|
| Appearance | White crystalline powder | White crystalline powder |
| Identification | Positive | Positive |
| Clarity of solution | Clear | Clear |
| Color of solution | ≤BY7 | < BY7 |
| Assay | 99.0-100.0% | 99.9% |
| Loss on Drying | ≤0.4% | 0.03% |
| Residue on ignition | ≤0.1% | 0.03% |
| Sulphate Ash | ≤0.1% | 0.03% |
| Specific rotation | +20.5°~ +21.5° | +20.96° |
| PH(with 2% water solution) | 2.4-2.8 | 2.55 |
| PH(with 5% water solution) | 2.1-2.6 | 2.30 |
| Melting range | About 190°C | 191°C |
| Heavy Metals | ≤3ppm | <3ppm |
| Iron | ≤2ppm | <2ppm |
| Copper | ≤5ppm | <5ppm |
| Oxalic Acid | ≤0.2% | <0.2% |
| Arsenic | ≤1ppm | <1ppm |
| Lead | ≤3ppm | <3ppm |
| Cadmium | ≤1ppm | <1ppm |
| Organic volatile impurities | Meets the requirements | conform |
| Related Substance | Impurity C ≤0.15%Impurity D ≤0.10% Any other Unspecific Impurities Impurity≤0.10% Total Impurity ≤0.2% | Complies |
| Total Plate Count | ≤1,000cfu/g | <1, 000cfu/g |
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