Ascorbic Acid(Vitamin C)
Introduction
CAS No.: 50-81-7
Vitamin C is a white monoclinic crystal or crystalline powder with melting point on 190 ℃ -192 ℃, no smell, sour, yellowish color after long time standing. The product is easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform. The aqueous solution is acidic. 5% (W / V) aqueous solution PH2.1-2.6 (W / V), the rotation of aqueous solution is +20.5 ° ~ +21.5°.
Specification:
BP2011/USP33/EP 7/FCC7/CP2010
|
Item |
Standard |
|
Assay |
99.0%-100.5% |
|
Melting point |
about 190℃ |
|
PH value |
2.1-2.6 |
|
Clarity of solution |
Clear |
|
Color of solution |
BY7 max. |
|
Copper |
5ppm max. |
|
Heavy metals |
10ppm max. |
|
Mercury |
1mg/kg max. |
|
Lead |
2mg/kg max. |
|
Arsenic |
3ppm max. |
|
Iron |
2ppm max. |
Application
In the pharmaceutical industry,can be used to treat scurvy and various acute and chronic infections diseases,are applicable to the lack of VC.
In the food industry,it can both use as nutrition-al supplements,supplementary VC in food processing,and also is good Antioxidants in food preservation,widely used in meat products,,fermented flour products,beer,tea dtinks, fruit juice,canned fruit,canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.
