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Anti Oxygenation Pharma Raw Material White Vitamin C Crystalline Powder CAS 50-81-7

Anti Oxygenation Pharma Raw Material White Vitamin C Crystalline Powder CAS 50-81-7

Anti Oxygenation Pharma Raw Material White Vitamin C Crystalline Powder CAS 50-81-7

Product Details:

Place of Origin: CHINA
Brand Name: RUNKEY
Model Number: BP/EP/USP/FCC

Payment & Shipping Terms:

Minimum Order Quantity: 100kg
Price: Negotiable
Packaging Details: 25kg/Carton and it can load 20MT in one 20'GP
Supply Ability: 10000 MT per year
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Detailed Product Description
Appearance: White Crystalline Powder Product Name: Vitamin C
Synonym: Ascorbic Acid, L-Ascorbic Acid FEMA: 3025
Assay: 99.0% - 100.5% Melting Point: About 190℃
PH (with 5% Water Solution): 2.1 - 2.6 Appearance Of Solution: Clarity : Clear; Colour: ≤BY7
High Light:

pure crystalline vitamin c


food based vitamin c powder

GMP certified Pharma Raw Material White Vitamin C crystalline powder CAS 50-81-7


Ascorbic Acid is well-known for its antioxygenation. So it is called antioxidant. Most people are familiar with L-Ascorbic Acid also called Vitamin C. When it is not vitamin format, ascorbic acid was often used for film production. Ascorbic acid is easy to be oxydated, but it can prevent different cells from damaging. It must be stored in cold and dark place. Because it can oxidate the touched metals, it can not be stored in metal vessels.The appearance of Vitamin C is white crystal with faintly acid. It is the most important soluble vitamin in the body of human beings. Most of the mammals can compound vitamin C in their body. But human beings can not do that and must beobtained from diet or supplementation.


Product name Ascorbic Acid
Synonyms Vitamin C, L-Ascorbic Acid, Vitamins
CAS # 50-81-7
Formula C6H8O6
Physical State Crystals
Color white to almost white
Odor Odourless
pH: (5% aq. soln.) 2.1 - 2.6
Basic properties Vitamin C is also called Ascorbic Acid. It is easily dissolved in water, slightly dissolved in ethanol and not soluble in some organic solvent like chloroform, benzene, diethyl ether and grease. It has acidity and reducibility.

1. Improve the Metabolism of fat and lipoid, especially cholesterol and prevent from angiocardiopathy.

2. Promote the metabolism of amino acid and lengthen the life of the body.

3. Strengthen resistance to stress and immunity of human body to external environmental.

4. Improve the utilization of Iron, Calcium and folic acid.

5. Promote the growth of teeth and bones and prevent teethridge from bleeding.

6. Promote the biosynthesis of ossein. It is good for quick healing of wound.

7. Soluble strong antioxidant.

8. Hard connective tissue.





Anti Oxygenation Pharma Raw Material White Vitamin C Crystalline Powder CAS 50-81-7




Appearance White or almost white, crystalline powder or colourless crystals
Melting point About 190℃, with decomposition
Infrared Absorption Spectrum Infrared absorption spectrum accord with the reference spectrum of ascorbic acid CRS
pH (with 5% water solution) 2.1 ~ 2.6
pH (with 2% water solution) 2.4 ~ 2.8
Appearance of solution Clarity : clear; Colour: ≤BY7
Specific optical rotation +20.5 ̊ ~ +21.5 ̊
Loss on drying ≤0.4%
Impurity E ≤0.2%
Related substance

Impurity C: ≤0.15%

Impurity D: ≤0.15%

Unspecified impurities: ≤0.10%

Total impurities: ≤0.2%

Copper ≤5.0ppm
Iron ≤2.0ppm
Arsenic ≤3.0ppm
Lead ≤2.0ppm
Mercury ≤1.0ppm
Cadmium ≤1.0ppm
Heavy metals ≤10ppm
Sulphated ash ≤0.1%
Residual solvents Meets the requirement
Assay 99.0%~100.5%




25kg/carton or according to the requests of the customers.

Store in a tightly closed container and a cool, dry place under an inert atmosphere. Do not store in direct sunlight.

Anti Oxygenation Pharma Raw Material White Vitamin C Crystalline Powder CAS 50-81-7




1. What about the validity of the products?
Generally our shelf life is 3 years and we always make sure 80% shelf life of the products before shipment.
2. What documents can you provide?
We can provide commercial invoice, packing list, MSDS, certificate of analysis, Certificate of origin, TSE/BSE, GMO etc. and if you have any other requirements, please feel free to let me know.
3. What is your payment terms?
We have T/T, LC, DP, Paypal, Moneygram and many other payment terms. For the first cooperation, we prefer T/T in advance or LC at sight.
4. Can we get free samples?
We can provide free sample within 200g which is enough for test generally and the customers undertake the FedEx freight.

Contact Details
Shanghai Runkey Biotech Co., Ltd.

Contact Person: terry

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Address: Room 601, Building 62, No. 221, Caiyun Road, Shanghai, 201306, China

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