TANNIC ACID AR
Confirming to BP specification Gallo tannin, Tannin
| Product Code | B-02616 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 1401-55-4 |
| Purity | 99% | Molecular Weight | 1701.22 |
| H.S.Code | 3201.90900 | Shelf Life | 60 Months |
| Molecular Formula | C76H52O46 |
Physical Properties
| Physical state at 20 °C | Solid | Color | Light Brown |
|---|---|---|---|
| Odour | Faint Odour | Solubility in water [% weight] | Soluble in water |
| Melting point/ Freezing point [°C] | 218 °C | Decomposition point [°C] | 200 °C |
| Auto-ignition temperature [°C] | 527 °C | Flash point [°C] | 199 °C |
Packaging
Specification
| Appearance | Light brown powder |
| Identity (IR) | Passes test |
| Identification | Passes test |
| Reaction of aqueous solution | Passes test |
| Dextrins, gum, salts, sugars | Passes test |
| Resinous substances | Passes test |
| Heavy metal (as Pb) | Max 0.003% |
| Zinc (Zn) | Max 0.005% |
| Arsenic (As) | Max 0.0003% |
| Loss on drying (at 105°C) | Max 12% |
| Residue on ignition | Max 0.5% |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H317-H319
Precaution Statement: P280-P305 + P351 + P338