Article No | A-00767 | ||
CAS No | 7789-09-5 | ||
HSN Code | 28415090 | ||
Purity | 99.5% |
Grade | AR | ||
Molecular Formula | (NH4)2Cr2O7 | ||
Molecular Weight | 252.06 | ||
Shelf Life | 5 years |
500 gm
Description | Orange coloured crystalline powder | ||
Melting Point | 170 ºC | ||
Solubility In Water (% weight) | 360 g/l (20 ºC) | ||
Assay | Min 99.5% | ||
Insoluble matter | Max. 0.003% | ||
Loss on drying at 105°C | Max 3.0% | ||
Chloride (Cl) | Max. 0.001% | ||
Sulphate (SO4) | Max 0.01% | ||
Aluminium (Al) | Max 0.003% | ||
Calcium (Ca) | Max. 0.0025% | ||
Sodium (Na) | Max 0.02% | ||
pH value | 3-4 |