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POTASSIUM DICHROMATE AR
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1734 | 99.90% | 7778-50-9 | K2Cr2O7 | 294.18 | 2841.5090 | 60 Months |
Packings
| 500 g,2500 g,25 Kg,50 Kg |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Orange Crystalline |
| Odour | Odorless |
| pH value | 4.04 (1% aq. solution) |
| Melting point/ Freezing point [°C] | 398 °C |
| Boiling point [°C] | 500°C |
| Density [g/cm3] | 2.676 |
| Solubility in water [% weight] | 6.5% at 20 °C |
| Partition coefficient Log Pow octanol / water at 20°C | 5 |
Specifications
| Appearance | Orange crystalline powder |
| Assay (iodometric) | Min 99.9% |
| Insoluble matter | Max 0.005% |
| Chloride (Cl) | Max 0.001% |
| Sulphate (SO4) | Max 0.005% |
| Lead (Pb) | Max 0.005% |
| Calcium (Ca) | Max 0.002% |
| Iron (Fe) | Max 0.002% |
| Copper (Cu) | Max 0.001% |
| Sodium (Na) | Max 0.02% |
| Loss on drying (at 105°C) | Max 0.05% |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS03, GHS05, GHS06, GHS08, GHS09 |
| Signal Word | Danger |
| UN No. | 3087 |
| IMCO Class No. | 5.1, 6.1 |
| Packing Group | II |
| Hazardous Statement | H317-H330-H314-H410-H334-H340-H350-H312-H372-H360FD-H301-H272-H335 |
| Precaution Statement | P301 + P310-P280-P302 + P350-P305 + P351 + P338-P304 + P341- P221-P273 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 06-Oct-2018
Certificate of Analysis (COA's)
To download COA please enter the batch number below