Ascorbic Acid Crystalline Powder (F)
Product Specifications
DFI-743011
DFI-743011
| Description | |
|---|---|
| Appearance: | White or almost white crystalline powder |
| CAS No.: | 50-81-7 |
| Country of origin: | China |
| E number: | E300 |
| Packaging: | 25kg cardboard box |
| Shelf life: | 48 months |
| Storage: | Stored in a cool dry place, stored in a tightly closed container |
| Specifications | |
| Arsenic: | Max: 1ppm, mg/kg |
| Assay: | 99 to 100.5% |
| Cadmium: | Max: 1ppm, mg/kg |
| Clarity of Solution: | Clear |
| Colour of Solution: | Max BY7 |
| Copper: | Max: 5ppm, mg/kg |
| Heavy metals: | Max: 10ppm, mg/kg |
| Identification: | Positive reaction |
| Impurity E: | Max: 0.2% |
| Iron (Fe): | Max: 2ppm, mg/kg |
| Lead: | Max: 2ppm, mg/kg |
| Loss on drying: | Max: 0.4% |
| Melting point: | About 190°C |
| Mercury: | Max: 0.1ppm, mg/kg |
| Mesh Size: | 40-80 Mesh |
| Organic Volatile Impurities: | Pass |
| Oxalic Acid: | Max: 0.2% |
| pH: | 2.1 to 2.6 |
| pH: | 2.4 to 2.8 |
| Related Substances: | Max: 0.1% |
| Related Substances: | Max: 0.15% |
| Related Substances: | Max: 0.15% |
| Related Substances: | Max: 0.2% |
| Specific Optical Rotation: | +20.5°C ~ +21.5°C |
| Sulphated ash: | Max: 0.1% |
| Microbiological | |
| Escherichia Coli: | Negative |
| Pseudomonas: | Negative |
| Salmonella: | Negative |
| Staphylococcus aureus: | Negative |
| Total plate count: | Max: 100cfu/g |
| Yeasts & Moulds: | Max: 100cfu/g |
Published Date: 2025-06-30 10:01:43