CAS 50-81-7 Vitamin C White Crystal Raw Material Ascorbic Acid
Product Description
| CERTIFICATE OF ANALYSIS |
| Product Name |
ASCORBIC ACID |
| Analysis Standard |
BP2012/USP36/FCCVII/E300 |
| Shelf Life |
3 Years |
| Net/Gross Weight |
25.0kgs/26.1kgs |
| |
| Analysis Contents |
Analysis Standard |
Analysis Results |
| Characteristics |
White or almost White crystals Crystalline Powder |
Pass |
| Identification |
Positive Reaction |
Positive |
| Melting Point |
About 190ºC |
191.2ºC |
| PH |
2.1-2.6 |
2.43 |
| Clarity Of Solution |
Clear |
Clear |
| Colour Of Solution |
≤BY7 |
<BY7 |
| Copper |
≤5ppm |
<5ppm |
| Heavy Metals |
≤10ppm |
<10ppm |
| Mercury |
<0.1mg/kg
|
<0.1mg/kg
|
| Lead |
<2mg/kg
|
<2mg/kg
|
| Arsenic |
≤3ppm |
<3ppm |
Cadmium(Cd)
|
<1mg/kg
|
<1mg/kg
|
| Oxalic Acid |
≤0.2% |
<0.2% |
| Iron |
≤2ppm |
<2ppm |
| Loss of Drying |
≤0.4% |
<0.4% |
| Sulphate Ash(Residue On Ignition) |
≤0.1% |
<0.1% |
| Specific Optical Rotation |
+20.5°-+21.5° |
+21.15° |
| Mesh |
40-80 Mesh |
Pass |
| Residual Solvents |
Pass |
Pass |
| Assay |
99.0%-100.5% |
99.92% |
| Conclusion |
The Above-Mentioned Product Conforms To
BP2012/USP36/FCCVII/E300 |
Detailed Photos
Ascorbic acid is a white or slightly yellow crystals or powder,a little acid.m.p.190°C-192°C,easily soluble in water,a little soluble in alcohol and uneasily soluble in Ether and chlorofom and other organic solvent.In solid state it is stable in air.Its water solution is easliy mutated when it meets with air.
Ascorbic acid, or vitamin C, a water-soluble dietary supplement. Vitamin C is not only an important nutrient but is also used as an antioxidant in various foods. However, it is not soluble in fat and is unstable under basic conditions. The name ascorbic means antiscurvy and denotes the ability of ascorbic to combat this disease.
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.
Company Profile
Company introduction:
Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Sodium sulfide, sodium carbonate, oxalic acid, citric acid, PAC are partial strong products. For every years, we stick to business philosophy of" integrity, deligence, fighting, innovation ", and have winning customers praise with our superior quality, favorable price and excellent service.We are located in Changsha city Hunan province which is aslo the hometown of "MaoZeDong". We have large warehouses in Hubei, Jiangxi, and Hunan provinces in China with sufficient supply.
Sincerely hope to cooperate with more friends in the world and seek common developments.
Packaging & Shipping
Packing and shipping:
Packing Details:
Packaging: Packages: 25kg/bag,It can also be packaged according to customer needs, and can be affixed with your LOGO and other information.
Shipment:we have established solid cooperation with DHL,TNT,Fedex,UPS,EMS and air freight as well as sea shipping companies for many years,and it is possiable that we use your own shipping agent too.
Our service:
- To supply high-quality products with reasonable prices in food additive industry.
- To follow orders and arrange shipping in time,providing complete documents for customs clearance according to different export policies in different countries.
- To take all the responsibility in case of product quality problems.
- To inform customers of price trends in the market timely.
- Perfect after-sale service,any inquiry will be replied within 24hours.
- Reasonable and competitive prices with short lead time.
- Sample is available for your evaluation and formulation development.
- Dedicated to high quality,stable supply and considerate service.
FRQ
1. Can I get samples ?
Yes, we can supply specified quantity free sample, you pay for the freight charge only.
2. Which documents do you support?
We can supply COA, TDS, MSDS and so on.
3. What is your MOQ?
Normally speaking, our MOQ is 1 standard package. But we can supply free sample for testing before mass order.
4. How can you guarantee the quality of your products?
(1) Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
(2) Free sample or pre- shipment sample are available for our new cooperation before you place commercial order.
We are sure the same specification commercial products as sample to customers.
(3) Third Party Inspection like SGS can be arranged according to your requirement before shipping.
(4) On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
5. How to pay?
PI will be sent firstly after our aligned products specification. Payment by T/T, X-Transfer ,LC and so on.
6. What is your after-sales service?
WE aim to keep long term cooperation with all the customers, will sign a legally binding sales contract with customers for every order. If you have doubt or concern on our products or service, pls feel free to con
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