Country: 
China (Mainland)
Business Type:Trading Company
Tel: 13156235996
Tel: 13156235996
Fax:
URL: http://www.eastchem-cn.com
Province/state: Shangdong
City: Qingdao
Street: No.1581-12,Jinshui Road, Licang, Qingdao,China
Contact SuppliersCAS NO.50-81-7
CAS NO.50-81-7
FOB price
Vitamin C, also known as L-ascorbic acid, is an essential nutrient for higher primates and a few other organisms. Ascorbic acid is metabolically produced in most living organisms, but humans are the most notable exception. It is best known that vitamin C deficiency can cause scurvy. The pharmacophore of vitamin C is the ascorbate ion. In living organisms, vitamin C is an antioxidant because it protects the body from oxidants. Vitamin C is also a coenzyme.
| ITEMS | SPECIFICATION | |
| Characteristics | White or almost White crystals Crystalline Powder | |
| Identification | Positive Reaction | |
| Melting Point | About 190℃ | |
| PH(5% aqueous solution) | 2.1-2.6 | |
| Clarity Of Solution | Clear | |
| Colour Of Solution | ≤BY7 | |
| Copper | ≤5ppm | |
| Heavy Metals | ≤10ppm | |
| Iron | ≤2ppm | |
| Mercury | ≤0.1ppm | |
| Lead | ≤2 ppm | |
| Arsenic | ≤3ppm | |
| Cadmium(Cd) | ≤1 ppm | |
| Related Substances | Impurity C | ≤0.1% |
| Unspecified Impurities | ≤0.1% | |
| Total | ≤0.2% | |
| Disregard Limit | ≤0.05% | |
| Oxalic Acid | ≤0.2% | |
| 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% | |
It applies mainly to production of various medicines as clinically important material for supplementary cure practice in different sectors. Being food additives, it acts as superior and reliable agent in nutrition, antiseptic and flour processing aspects. It also helps enhance the immune system of animals as being served in feed additives
Our advantages:
1. High quality with the competitive price.
2. Professional and experienced business services.
3. Prompt delivery within 2-3 weeks (1 weeks is available for ready stock)
4. Quick response to client inquiries
5. Free samples and shipping documents in accordance with the regulations of different countries
6. Adequate product inventory
6. Variety of payments, such as L/C, TT, , MoneyGram or other payments.
•Founded in 2008, East Chemsources Limited is a professional manufacturer of supplier in food and beverage, pharmaceuticals, cosmetics and other industries. Through more than four years development, our company has developed from single product at first to providing solution to finished products now, is committed to providing solutions for success and growth through long term relationships.
Currently, our products have been exported to more than 50 countries all over the world. Our service is accomplished by providing good quality solution that matches the specifications of our clients at competitive price. Our products will derive from trusted sources and arrive to our clients in time and well arranged manner, be creating the greatest benefits for our customers.
Whether your project is large or small, whether it needs one, several or all of our disciplines you will find our level of dedication to a quality result to be the same. We are looking forward to your sincere cooperation and participation.