L-Ascorbic Acid Food Grade Nutrition CAS 50-81-7 99% Vitamin C Powder
| Product Name: |
Vitamin C |
| Other Name: |
Ascorbic Acid; L-ascorbic acid |
| Purity: |
99%-100.5% |
| Appearance: |
White or almost White Crystalline Powder |
| CAS No |
50-81-7 |
| Molecular formula |
C6H8O6 |
| Specific rotation |
+ 20.5 ° to + 21.5 ° |
| Melting point |
190-192 ° C |
| Solubility |
Water-soluble vitamins |
Vitamin C is a colorless crystal, odourless, acidic taste. Soluble in water and ethanol. Stable in dry air , and its solution is not stable. As well as, vitamin C takes part in many metabolism procedures in the human body, helps decrease brittleness of blood capillaries and increase body resistance.
| Item |
Standard |
| Appearance |
White crystalline powder |
| Identification |
Positive |
| Clarity of solution |
Clear |
| Assay (%) |
99.0~100.5 |
| Loss on drying (%) |
≤ 0.40 |
| Residue on ignition (%) |
≤ 0.10 |
| Sulphate ash |
≤ 0.10 |
| Specific rotation |
from +20.5 to +21.5 |
| PH value (2% solution) |
2.4 ~ 2.8 |
| PH value (5% solution) |
2.1 ~ 2.6 |
| Heavy metals |
≤3 ppm |
| Iron |
≤2 ppm |
| Copper |
≤2 ppm |
| Total plate count |
≤ 1000 cfu/g |
| Arsenic |
≤1 ppm |
| Mercury |
≤1 ppm |
| Organic volatile impurities |
Meets the requirements |
| Chloride (Cl) (%) |
≤ 0.30 |
| Melting point ( ºC) |
about 190 |
| Cadmium |
≤1 ppm |
| Lead |
≤2 ppm |
| Storage |
in the shade |
| Packing |
25kg/bag |
Features and Advantages:
1. Treatment of scurvy
2. Prevent gum atrophy
3. Prevention of arteriosclerosis
4. Treatment of anemia
5. Anti-cancer
6. Improve the body's immunity
7. Prevents pigmentation, prevents chloasma and freckles, and keeps skin white and delicate
8. Vitamin C is a water-soluble vitamin that is an essential nutrient for higher primates and other minorities.
Usage of vitamin C / Ascorbic acid
Vitamin C can prevent scurvy, also known as "ascorbic acid." Over the years, animal experiments and clinical studies have found that vitamin C can lower blood cholesterol levels, enhance immunity, increase capillary elasticity, promote healing of wounds and surgical incisions, prevent colds, promote growth and development, and prevent chronic metal poisoning such as mercury and lead. To prevent aging, prevent tumors, etc. Therefore, in addition to treatment, there are many people who are consciously taking vitamin C, especially some middle-aged and older people prefer to take it regularly or for a long time.
| Packaging |
1kg~5kg / aluminum foil vacuum bag |
| 5kg~25kg/carton with aluminum foil vacuum bag inside |
| Customized package is also available. |
| Storage |
Store in sealed containers at cool & dry place.Protect from light, moisture and pest infestation. |
| Shelf life |
2 years when properly stored |
Other Vitamin item:
Vitamin A
Vitamin D
Vitamin E
Vitamin K
Vitamin B1
Vitamin B2
Vitamin B5
Vitamin B6
Vitamin B12
Folic acid
Vitamin C
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