L-ASCORBIC ACID 99.5% AR FOR BIOCHEMISTRY
| Product Code | B-00308 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | BIOCHEMISTRY | CAS No | 50-81-7 |
| Molecular Formula | C6H8O6 | Molecular Weight | 176.12 |
| H.S.Code | 2936.27000 | Shelf Life | 60 Months |
| Purity | 99.5 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Solubility in water [% weight] | 176 g/l at 20 °C - completely soluble | Melting point/ Freezing point [°C] | 190 - 194°C |
| Odour | Odorless | pH Value | 1 - 2.5 |
| Density [g/cm3] | 1.65 |
Packaging
Specification
| Appearance | A white to very pale yellow crystalline powder or colourless crystals; odourless. On exposure to light it gradually darkens. |
| Assay | 99.5-100.5% |
| Identity (IR) | To confirm the structure |
| Identification (as per USP, IP) | To comply the tests |
| Appearance of solution | To comply IP test |
| Specific optical rotation ([?]20/D; 10% solution) | +20.5° to +21.5° |
| Light absorption | Absorbance at about 244 nm is about 0.56 |
| Oxalic acid | Max 0.3% |
| Loss on drying | Max 0.1% |
| Sulphated ash | Max 0.1% |
| Chloride (Cl) | Max 0.01% |
| Sulphate (SO4) | Max 0.002% |
| Copper (Cu) | Max 0.0005% |
| Heavy metal (as Pb) | Max 0.001% |
| Iron (Fe) | Max 0.0002% |
| Lead (Pb) | Max 0.001% |
Safety Information and Hazard Symbols
Symbol: GHS03, GHS05 , GHS08
Signal Word: Danger