TANNIC ACID
TANNIC ACID
| Article No. | 553808 |
| Grade | AR |
| Purity | – |
| CAS No. | 1401-55-4 |
| Molecular Formula | C76H52O46 |
| Molecular Weight | 1701.22 |
| H.S. Code | 3201.9090 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | Light brown |
| Odour | Faint odour |
| Melting point/ Freezing point [°C] | 218 °C |
| Decomposition point [°C] | 200 °C |
| Auto-ignition temperature [°C] | 527 °C |
| Flash point [°C] | 199 °C |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | Faintly yellowish to light brown amorphous powder, darkens on exposure to air |
| Solubility | 10% solution in water is clear |
| Identification | Passes test |
| Loss on drying (at 105°C) | Max 9.0% |
| Sulphated Ash | Max 0.1% |
| Heavy metals (as Pb) | Max 0.003% |
| Gum, Salt | Passes test |
| Sugars, Dextrin | Passes test |
| Zinc (Zn) | Max 0.005% |
| Packings | 500 gm |
