AMMONIUM BICHROMATE 99.5% AR
Ammonium Dichromate
| Product Code | B-00185 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | AR | CAS No | 7789-09-5 |
| Molecular Formula | (NH4)2Cr2O7 | Molecular Weight | 252.06 |
| H.S.Code | 2841.50900 | Shelf Life | 60 Months |
| Purity | 99 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Orange to red |
|---|---|---|---|
| pH Value | 3 - 4 | Odour | Odorless |
| Melting point/ Freezing point [°C] | 170 °C | Density [g/cm3] | 2.15 |
| Solubility in water [% weight] | 360 g/l (20°C) | Decomposition point [°C] | 170 °C |
| Oxidising properties | The substance or mixture is classified as oxidizing with the subcategory 2 | Auto-ignition temperature [°C] | 218°C |
Packaging
Specification
| Appearance | Orange colored crystalline powder |
| Assay (on anhydrous basis) | Min 99.5% |
| Insoluble matter | Max 0.005% |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO4) | Max 0.01% |
| Loss on drying (at 105°C) | Max 3.0% |
| Calcium (Ca) | Max 0.0025% |
| Sodium (Na) | Max 0.02% |
Safety Information and Hazard Symbols
Symbol: GHS03, GHS05, GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 1439
IMCO Class No.: 5.1
Packing Group: II
Hazardous Statement: H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
Precaution Statement: P201-P220-P260-P273-P280-P284