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Vitamin C Ascorbic acid VC
1.Product Name: Ascorbic acid, Vitamin C
2.CAS NO: 50-81-7
3.Purity: 99%-100.5%
4.Appearance: White or almost White Crystalline Powder
5.HS Code: 2936270010
6.Application:
Vitamin C is widely used in many fields such as food , beverage, breeding and forage additives. Its main functions reflected in following 5 aspects:
1)Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2)Prevent formation of nitrous amine from nitrous acid in meat products.
3)Improve dough quality and make baked food expand to its maximum.
4)Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
5)Used as nutritional element in additives,Feed additives.
Item: |
Raw Material Vitamin C |
Specifications: |
99% |
Appearence: |
White Fine Powder |
Packaging: |
Foli Bag/ Paper Drum/Carton |
MOQ: |
1kg |
Delivery Time: |
1-3 Working Days |
Payment: |
T/T West Union |
Shelf Time: |
2 year |
Storage: |
Keep Dry and Keep away from Sunlight |
Main Export Country |
The Amercias, Europe, Southeast Asia |
Product Name |
ASCORBIC ACID ( Vitamin C ) |
|
Analysis Standard: |
BP2013/USP35 |
|
Shelf Life |
3 Years |
|
Net/Gross Weight |
25.0KGS/26.5KGS |
|
Contents |
Standard |
|
Characteristics |
White or almost White crystals Crystalline Powder |
|
Identification |
Positive Reaction |
|
Melting Point |
About 190°C |
|
PH |
2.1-2.6 |
|
Clarity Of Solution |
Clear |
|
Colour Of Solution |
≤BY7 |
|
Copper |
≤5ppm |
|
Heavy Metals |
≤10ppm |
|
Mercury |
<0.1mg/kg |
|
Lead |
<2mg/kg |
|
Arsenic |
≤3ppm |
|
Cadmium(Cd) |
<1mg/kg |
|
Oxalic Acid |
≤0.2% |
|
Iron |
≤2ppm |
|
Loss of Drying |
≤0.4% |
|
Sulphate Ash(Residue On Ignition) |
≤0.1% |
|
Specific Optical Rotation |
+20.5°–+21.5° |
|
Organic Volatile Impurities |
Pass |
|
Assay |
99.0%-100.5% |
|
Residual Solvents |
Methanol:≤3000 ppm |
|
Total plate count |
≤1000 cfu/g |
|
Yeasts& molds |
≤100 cfu/g |
|
Escherichia coli |
Negative in 1g |
|
Conclusion |
The Above-Mentioned Product Conforms To BP2010/USP32 |
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.
Our advantages:
1, High quality with competitive price:
1) Standard:BP/USP/EP/Enterprise standard
2) All Purity≥99%
3) We are manufacturer and can provide high quality products with factory price.
2, Fast and safe delivery
1) Parcel can be sent out in 24 hours after payment.Tracking number available
2) Secure and discreet shipment.Various transportation methods for your choice.
3) Customs pass rate ≥99%
4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe,
and we have stock in there for transferring.
3,We have clients throughout the world.
1) Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2) Market feedback and goods feedback will be appreciated, meeting customers's requirement is our responsibility.
3) High quality,competitive price,fast delivery ,first-class service gain the trust and praise from the customers.
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.
COA of Vitamin C/ Ascorbic Acid pharm grade
ITEM | STANDARD |
Appearance | White or almost white crystal or crystalline powder |
Identification | Positive |
Melting point | 191 °C ~ 192°C |
pH (5%, w/v) | 2.2 ~ 2.5 |
pH (2%,w/v) | 2.4 ~ 2.8 |
Specific optical rotation | +20.5° ~ +21.5° |
Clarity of solution | Clear |
Heavy metals | ≤0.0003% |
Assay (as C 6H 8O6, %) | 99.0 ~ 100.5 |
Copper | ≤3 mg/kg |
Iron | ≤2 mg/kg |
Mercury | ≤1 mg/kg |
Arsenic | ≤2 mg/kg |
Lead | ≤2 mg/kg |
Oxalic acid | ≤0.2% |
Loss on drying | ≤0.1% |
Sulphated ash | ≤ 0.1% |
Residual solvents (as methanol) | ≤ 500 mg/kg |
Total plate count (cfu/g) | ≤ 1000 |
Yeasts & molds (cfu/g) | ≤ 100 |
Escherichia. Coli/g | Absence |
Salmonella/ 25g | Absence |
Staphylococcus aureus/ 25g | Absence |
Shaanxi Mingqi Chemical Co., Ltd is committed to the development of import and export trade in the production, operation and plant extracts of pharmaceutical raw materials and intermediates. It has trade with other Asian countries and Europe, the Americas and African countries. Important exporters of pharmaceutical chemical raw materials and the world's latest importers of pharmaceutical raw materials.
Shaanxi Mingqi Chemical Co., Ltd has always been adhering to the company to market-oriented, customer-centric, with professional and enterprising team spirit and the company's strong financial strength, to provide customers with fast, high quality and efficient services, and always " To benefit customers "for the purpose.
In the pharmaceutical raw materials and intermediates export business, the company by virtue of years of accumulated experience and high quality and reasonable talent structure, accurate grasp of the market, not only with a number of well-known domestic production enterprises to establish a long-term stable strategic cooperative relations in the global pharmaceutical chemical raw materials And chemical intermediates on the market also won the loyal customer base and a very strong strategic partner, set up a professional image of the outsourcing of pharmaceutical procurement. On the basis of continuing to develop the existing export trade business, the Company has formulated the idea of establishing independent research and development center and constructing the production base of pharmaceutical and chemical products according to the future development trend of the pharmaceutical and chemical industry, and strives to establish the combination of R & D, manufacturing and trade Of the business development model.
While actively expanding their business and creating economic profits, enterprises do not forget their social responsibility, and actively participate in greening trees, poor students and other social activities, and become a tradition for many years, creating a good social benefits.
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