Molecular formula：K2Cr2O7Molecular weight：294.18Properties and features：it is salmon pink crystallization,toxic,soluble in water.Insoluble in alcohol.It is a strong oxidantQuality standard： (HG2324-92)
| Item | premium gades | First Crade | Salable product |
| content（ K2Cr2O7）≥ | 99.7 | 99.5 | 99.0 |
| Chloride（CI） %≤ | 0.050 | 0.050 | 0.080 |
| Insoluble substance in water% ≤ | 0.020 | 0.020 | 0.050 |
| Sulfate % ≤ | 0.020 | 0.050 | -- |
| Moisture content≤ | 0.030 | 0.030 | -- |
Use：As materials of making chromium hemitrioxide,potassium chromate, match,chemical reagent Used in passivation of rolled steel, etc.
Package：Plastic weaved bag, lined with PE bag, and 25KG or 50KG or 100KG weight.
