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1. Chemical Name: L-Ascorbic Acid, Vitamin C, Antiscorbutic Factor, Vitamin C
2. Molecular Formula: C6H8O6
3. Molecular Weight: 176.12
4. CAS: 50-81-7
5. Properties: L-Ascorbic Acid is a white crystalline powder that is soluble in water and some organic solvents. It is a strong reducing agent and exhibits good antioxidant properties. L-Ascorbic Acid is stable under acidic conditions but is easily oxidized under alkaline conditions.
| Item | Specification | GB 14754-2010 | Results |
| Appearance and character | White or yellowish crystalline powder without odor | White or yellowish crystalline powder without odor | White or yellowish crystalline powder without odor |
| Identification | Positive Reaction | Positive Reaction | Positive Reaction |
| Vitamin C (C6H8O6) Assay (C6H8O6) ≥99.0% | ≥99.0% | ≥99.0% | 99.8 |
| Specific optical rotation | +20.5°~ +21.5 | +20.5°~ +21.5 | 20.9 |
| Residue on ignition C w/% ≤ | ≤0.1% | ≤0.1% | Conform |
| Heavy metals (calculated as Pb)/(mg/kg) ≤ | ≤10.0mg/kg | ≤10.0mg/kg | Conform |
| Shen (As) Arsenic/(mg/kg) ≤ | ≤3.0 mg/kg | ≤3.0 mg/kg | Conform |
| Lead (Pb) Lead/(mg/kg) ≤ | ≤2.0 mg/kg | ≤2.0 mg/kg | Conform |
| Iron (Fe) Iron/(mg/kg) ≤ | ≤2.0 mg/kg | ≤2.0 mg/kg | Conform |
| Copper (Cu) Copper/(mg/kg) ≤ | ≤5.0 mg/kg | ≤5.0 mg/kg | Conform |
Food and Beverage Additive: L-Ascorbic Acid is an important additive in food and beverages, used as an antioxidant, acidulant, and bleaching agent. It helps to maintain the color, taste, and freshness of food and beverages, and inhibits food oxidation, deterioration, and color fading.
Pharmaceuticals and Health Supplements: L-Ascorbic Acid is widely used in the pharmaceutical industry. It is a major component of many vitamin C supplements and health supplements, used for the prevention and treatment of vitamin C deficiency. Additionally, L-Ascorbic Acid is used as an excipient in some drugs to improve their stability and absorbability.
Cosmetics: L-Ascorbic Acid is extensively used in cosmetics as an antioxidant and skin whitening agent. It helps to reduce free radical damage in the skin, promote collagen synthesis, and improve skin tone and texture.
Food Processing Industry: L-Ascorbic Acid is used in the food processing industry as an oxidant and bleaching agent. It prevents oxidative reactions in food and enhances the quality and stability of products.
It is packed in polyethylene bags lined with plastic woven bags, with a net weight of 25kg per bag.
