POTASSIUM CHROMATE
POTASSIUM CHROMATE
| Article No. | 540308 |
| Grade | ACS |
| Purity | 99.5 % |
| CAS No. | 7789-00-6 |
| Molecular Formula | K₂CrO₄ |
| Molecular Weight | 194.20 |
| H.S. Code | 2841.5090 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | Yellow |
| Odour | Odorless |
| pH value | 8.5 – 10 at 50 g/l at 20 °C |
| Melting point/Freezing point [°C] | 971 °C |
| Boiling point [°C] | 1000°C |
| Vapour density | 6.7 |
| Density [g/cm³] | 2.73 |
Specifications
| Appearance | Yellow crystals or powder |
| Solubility | Freely soluble in water |
| Identification | a- Gives reaction of chromateb- Gives reaction of potassium |
| pH | 8.5-10.0 (5% sol) |
| Assay % | ≥ 98% |
| Packings | 500 gm |
