Country: 
China (Mainland)
Business Type:Trading Company
Tel: 13156265101
Mobile: 13156265101
Tel: 13156265101
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
white crystal or crystalline powder, and it is odorless and flavors sour.Ascorbic acid is derived from vegetables, fruits and other foods containing vitamin C. It was first isolated from citric acid juice in 1932.
Vitamin C is also called L-ascorbic acid, is a water-soluble vitamin, can treat scurvy and acidic, so called ascorbic acid, can assist the treatment of a variety of diseases, vitamin C can not only and reduce cold symptoms, but also enhance immunity to prevent heart disease
Founded in 2008, East Chemsources Limited is a professional manufacturer of supplier in food and beverage, pharmaceuticals, cosmetics and other industries. pharmaceutical field in China. 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.
|
Item |
Company standard |
Index |
| Melting Point | About 190°C, with decomposition | 190°C |
| Specific Rotation | +20.5° ~+21. 5° | +21. 0° |
| Acidity(pH) | 2225(5% aqueous solution) |
2.4 |
| Assay | 99. 0%~100. 5% | 99.7% |
| Loss on Drying | ≤0. 20% |
0.02% |
| Impurity E (Oxalic Acid) | ≤0. 05% | ＜0.05 |
| Heavy Metals | ≤3ppm | ＜3ppm |
| Copper | ≤5ppm | ＜3ppm |
| Iron | ≤2ppm | ＜2ppm |
| Sulphated Ash | ≤0. 10% | ＜0.02% |