Ascorbic acid Cas: 50-81-7
| Catalog Number | XD92025 |
| Product Name | Ascorbic acid |
| CAS | 50-81-7 |
| Molecular Formula | C6H8O6 |
| Molecular Weight | 176.12 |
| Storage Details | 5-30°C |
| Harmonized Tariff Code | 29362700 |
Product Specification
| Appearance | White powder |
| Assay | 99% min |
| Melting point | 190-194 °C (dec.) |
| alpha | 20.5 º (c=10,H2O) |
| Boiling point | 227.71°C (rough estimate) |
| density | 1,65 g/cm3 |
| refractive index | 21 ° (C=10, H2O) |
| solubility | H2O: 50 mg/mL at 20 °C, clear, nearly colorless |
| pka | 4.04, 11.7(at 25℃) |
| PH | 1.0 - 2.5 (25℃, 176g/L in water) |
| PH Range | 1 - 2.5 |
| Odor | Odorless |
| optical activity | [α]25/D 19.0 to 23.0°, c = 10% in H2O |
| Water Solubility | 333 g/L (20 ºC) |
Sodium, potassium, and calcium salts of ascorbic acids are called ascorbates and are used as food preservatives. To make ascorbic acid fat-soluble, it can be esterified. Esters of ascorbic acid and acids, such as palmitic acid to form ascorbyl palmitate and stearic acid to form ascorbic stearate, are used as antioxidants in food, pharmaceuticals, and cosmetics. Ascorbic acid is also essential in the metabolism of some amino acids. It helps protect cells from free radical damage, helps iron absorption, and is essential for many metabolic processes.
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