Product Code: 1.3170
Neutronco
آمونیوم دی کرومات
| Formula | Cr2H8N2O7 |
| Chemical formula | (NH4)2Cr2O7 |
| Density | 2.15 g/cm3 (20°C) |
| Molar mass | 252.07 g/mol |
| Bulk density | ~ 900 kg/m3 |
| CAS number | 7757-83-7 |
| HS Code | 28415000 |
| EC number | 231-143-1 |
| Storage | Without limitation |
| SDS | available |
| R phrase | R 45-46-60-61-2-8-E21 |
| S phrase | S 53-45-60-61 |
| Odour | odourless |
| Form | solid |
| Color | orange |
| Ignition temperature | 218 °C |
| p H | 3.45(100g/l ) |
| Solubility in water | 360g/l (20°C) |
| Melting point. | 180 °C |
| Assay | ≥ | 97 | % |
| Description | Conforms | ||
| Identification | Conforms | ||
| p H | 3.0 – 4.0 | ||
| Chloride | ≤ | 0.01 | % |
| Sulphate | ≤ | 0.02 | % |
| Calcium | ≤ | 0.01 | % |
| Sodium | ≤ | 0.01 | % |
| Loss on drying | ≤ | 3 | % |
