AMMONIUM DICHROMATE
AMMONIUM DICHROMATE
| Article No | 504308 |
| Grade | AR Grade |
| Purity | 99.5% |
| CAS No | 7789-09-5 |
| Molecular Formula | (NH4)2Cr2O7 |
| Molecular Weight | 252.06 g/mol |
| H.S. Code | 2841.5090 |
| Shelf Life | 60 Months |
Physical properties
| Physical State at 20°C | Solid |
| Color | Orange to red |
| Odor | Odorless |
| pH Value | 3 – 4 |
| Melting/Freezing Point [°C] | 170°C |
| Decomposition Point [°C] | 170°C |
| Auto-Ignition Temperature [°C] | 218°C |
| Density [g/cm³] | 2.15 |
| Solubility in Water | 360 g/L (at 20°C) |
Specifications
| Appearance | Orange colored crystalline powder |
| Assay | Min 99.5% |
| Insoluble Matter | Max 0.005% |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO₄) | Max 0.01% |
| Loss on Drying (at 105°C) | Max 3.0% |
| Calcium (Ca) | Max 0.0025% |
| Sodium (Na) | Max 0.02% |
| Packings | 500 gm |
