| Product Name | Ascorbic Acid | CAS number | 50-81-7 |
| Molecular Weight | 176.12 | Molecular Formula | C6H8O6 |
| Appearance | White, crystalline powder |
| Identification | Positive Reaction |
| Melting Point | About 190 deg C |
| pH | 2.4 – 2.6 |
| Clarity of Solution | Clear |
| Color of Solution | <= BY7 |
| Loss of Drying | 0.4% max |
| Arsenic | <= 3 ppm |
| Lead | <= 2 ppm |
| Copper (Cu) | <= 5 ppm |
| Heavy metal (as Pb) | <= 10 ppm |
| Iron (Fe) | <= 2 ppm |
| Mercury | <= 1 ppm |
| Oxalic Acid | <= 0.2 % |
| Sulphate Ash | 0.1% max |
| Specific Optical Rotation | + 20.5° ~ + 21.5° |
| Residual Solvents | Pass |
| Organic Volatile Impurities | Pass |
| Mesh | 40-80 mesh |
| Assay | 99.0 ~ 100.5% |
| Total Plate Count | 100 cfu/g max |
| E-Coil | Negative |
| Yeast & Mold | 100 cfu/g max |
| Pseudomonas | Negative |
| Staphylococcus | Negative |
| PACKING OPTIONS | 25 kg net cartons (Other packing options are available upon request) |
50 lb net bags (Other packing options are available upon request)
