| Customization: | Available |
|---|---|
| CAS No.: | 1401-55-4 |
| Formula: | C76h52o46 |
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Cement Retarder Tannic acid with 90% purity CAS 1401-55-4
| Tannic acid Basic information | |
| Product Name: | Tannic acid |
| CAS: | 1401-55-4 |
| MF: | C76H52O46 |
| MW: | 1701.2 |
| EINECS: | 215-753-2 |
| Mol File: | 1401-55-4.mol |
| Tannic acid Chemical Properties | |
| Melting point | 218 °C (lit.) |
| Boiling point | 862.78°C (rough estimate) |
| density | 1.2965 (rough estimate) |
| FEMA | 3042 | TANNIC ACID (QUERCUS SPP.) |
| refractive index | 1.7040 (estimate) |
| Fp | 198°C |
| storage temp. | Storage temperature: no restrictions. |
| solubility | ethanol: soluble100mg/mL, yellow to brown |
| form | Powder/Solid |
| color | Yellow to light brown |
| PH | 3.5 (100g/l, H2O, 20°C) |
| Water Solubility | 250 g/L (20 ºC) |
| Sensitive | Air & Light Sensitive |
| Merck | 14,9052 |
| BRN | 8186396 |
| Stability: | Stable. Incompatible with metallic salts, strong oxidizing agents, iron and other heavy metals. |
| InChIKey | LRBQNJMCXXYXIU-PPKXGCFTSA-N |
| IARC | 3 (Vol. 10, Sup 7) 1987 |
| EPA Substance Registry System | Tannic acid (1401-55-4) |
| Analysis | Unit | Result | |||||
| Physical Control | |||||||
| Purity(Tannic acid on Dry Basis) | >=90% | 90.50% | |||||
| Appearance | Light brown powder | Conform | |||||
| Odor | Proctically odourless | Conform | |||||
| Taste | Neutral / Slight astringent taste | Conform | |||||
| Solubility | Very soluble in water. freely soluble in acetone, in alcohol. | Conform | |||||
| Loss On Drying | <=9.0% | 8.10% | |||||
| Residue On Ignition | <=1.0% | 0.80% | |||||
| Arsenic | <=3.0ppm | Conform | |||||
| Lead | <=2.0ppm | Conform | |||||
| Heavy Metal (Pb) | <=20ppm | Conform | |||||
| Gums, Dextrin Test | No turbidity | Conform | |||||
| Resins Test | No turbidity | Conform | |||||
| Gallic Acid | <=4.0% | 2.50% | |||||
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