Description
CAS No. 7789-09-5
Packing : 500 G
HSN Code : 28415090
IMDG Identification : UN No.:1439 , IMCO Class No.:5.1 , Packing Group:II
Molecular Formula : (NH4)2Cr2O7
Molecular Weight : 252.06
Storage : Room Temperature
Shelf Life : 60 Months
Specifications
| Appearance (Colour) | Orange |
| Appearance (Form) | Crystalline powder |
| Solubility (Turbidity) 10% aq. solution | Clear |
| Assay (T) | min. 99.5% |
| pH (10% aq. solution) | 3.5 – 5.0 |
| Insoluble matter | max. 0.005% |
| Loss on drying | max. 3% |
| Chloride (CI) | max. 0.001% |
| Sulphate (SO4) | max. 0.01% |
| Iron (Fe) | max. 0.002% |
| Heavy Metals (Pb) | max. 0.005% |
| Calcium (Ca) | max. 0.002% |
| Sodium (Na) | max. 0.005% |
