China Food Additives Vc Powder Bulk Ascorbic Acid, Vitamin C Low Price, Find details about China Ascorbic Acid, CAS 50-81-7 from Food Additives Vc Powder Bulk Ascorbic Acid, Vitamin C Low Price
Product Name | Vitamin C Ascorbic Acid Powder |
CAS No. | 50-81-7 |
Purity | 99% |
Appearance | White Powder |
Molecular Formula | C6H8O6 |
EINECS No. | 200-066-2 |
Description: Vitamin C is a colorless crystal, odourless, acidic taste. Soluble in water and ethanol. Stable in dry air , and its solution is not stable. As well as, vitamin C takes part in many metabolism procedures in the human body, helps decrease brittleness of blood capillaries and increase body resistance |
Characteristics | White Crystalline Powder | Conform |
Identification | Positive Reaction | Positive |
Melting Point | About 190°C | 191.1°C |
PH | 2.1-2.6 | 2.46 |
Copper | ≤5ppm | 5ppm |
Heavy Metals | ≤10ppm | <10ppm |
Mer | <0.1mg/kg | <0.1mg/kg |
Lead | <2mg/kg | <2mg/kg |
Arsenic | ≤3ppm | <3ppm |
Oxalic Acid | ≤0.2% | <0.2% |
Iron | ≤2ppm | <2ppm |
Loss of Drying | ≤0.4% | 0.03% |
Sulphate Ash(Residue On Ignition) | ≤0.1% | <0.1% |
Specific Optical Rotation | +20.5°-+21.5° | +21.15° |
Assay | 99.0%-100.5% | 99.86% |
Residual Solvents | Methanol:≤3000 ppm | <100ppm |
Total plate count | ≤1000 cfu/g | <10 cfu/g |
Yeasts& molds | ≤100 cfu/g | <10 cfu/g |