Ascorbic Acid is widely used in many industries. As a reliable supplier and manufacturer of food ingredients in China, Aurora Industry Co.,Ltd. (AUCO) has been supplying Vitamin C for over 15 years.
Product Name: Vitamin C (Ascorbic Acid) |
Type: Food/Feed Additives Origin: China CAS No.: 50-81-7 AUCO No.: 231 Packing: 25kg carton |
Items |
Standard |
Characteristics |
White or almost White crystals Crystalline Powder |
Identification |
Positive Reaction |
Melting point |
About 190℃ |
PH(5% water in solution) |
2.1-2.6 |
PH(2% water in solution) |
2.4-2.8 |
Clarity of Solution |
Clear |
Colour of Solution |
≤ BY7 |
Copper |
≤5ppm |
Heavy Metals |
≤10ppm |
Mercury |
≤0.1mg/kg |
Lead |
≤2 mg/kg |
Iron |
≤2ppm |
Arsenic |
≤3ppm |
Cadmium(Cd) |
<1mg/kg |
Oxalic Acid |
≤0.2% |
Impurity E |
≤0.2% |
Loss on Drying |
≤0.4% |
Sulphate Ash(Residue On Ignition) |
≤0.1% |
Specific Optical Rotation |
+20.5 °~ +21.5 ° |
Residual Solvents |
Pass |
Assay |
99.0%- 100.5% |