L(+)-Ascorbic acid Vitamin C Ascorbic Acid 100mesh
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
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