CAS No.: 50-81-7
Molecular Formula: C6H8O6
MolecularWeight:176.13
Structural Formula:
Property:
Vitamin C melting point 190-192 ºC
alpha 20.5 º (c=10,H2O)
Water solubility 333 g/L (20 ºC)
Specification:
|
Analysis Contents |
Analysis Standard |
| Characteristics: |
White Crystalline Powder |
| Identification |
Positive reaction |
| Melting point |
About 190degree celsius |
| PH |
2.1-2.6 |
| Clarity of solution |
Clear |
| Mercury |
≤0.1ppm |
| Zinc |
≤25ppm |
| Arsenic |
≤3ppm |
| Lead |
≤2ppm |
| Loss on drying |
≤0.1% |
| Colour of solution |
≤BY7 |
| Copper |
≤5ppm |
| Heavy metals |
≤10ppm |
| Iron |
≤2ppm |
| Oxalic acid |
≤0.2 % |
| Sulphate ash |
≤0.1% |
| (Residue on ignition) |
|
| Specific optical rotation |
+20.5°- +21.5° |
| Assay |
99.0-100.5% |
| Organic volatile impurities |
Pass |
| Conclusion: |
The above product conforms to BP2009/USP32 |
Usage:
Ascorbic acid USP/BP standard
takes part in a variety of metabolic processes in human body and helps in inducing the fragility of capillary vessel, and improving the resistibility to illness.
Packing:
Ascorbic acid USP/BP standard
is packed in 25KG net weight carton lined with PE bags(marks can be designed by customers) . Gross Weight 26.5kg/carton.Store in cool, dry and well closed place
Shelf life:
2 years in original packages under the described conditions.
Keyword:
Ascorbic acid USP/BP standard
