Description
Chromium(VI) oxide; Chromic anhydride ;Chromic Acid
| CAS | 1333-82-0 |
| Molecular Formula | CrO3 |
| Molecular Weight | 99.99 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Reddish brown |
| Odour | Odorless | Melting Point/ Freezing Point [°C] | 196 °C |
| Density [g/cm3] | 2.7 | Solubility in Water [% weight] | 63g/100g water @ 200C |
| Oxidising Properties | The substance or mixture is classified as oxidizing with the subcategory 1 | ||
| Specifications | |||
| Appearance | Reddish brown flakes | Assay (Iodometric) | Min 99% |
| Insoluble Matter in Water | Max 0.01% | Chloride (Cl) | Max 0.005% |
| Sulphate (So4) | Max 0.02% | Total Nitrogen (N) | Max 0.005% |
| Lead (Pb) | Max 0.004% | Iron (Fe) | Max 0.01% |
| Copper (Cu) | Max 0.0005% | Sodium (Na) | Max 0.01% |
| Potassium (K) | Max 0.005% | Substance Precipitated By Nh3 | Max 0.02% |
| Dangerous Goods Information | |||
| UN Number | 1463 | DG Class | 5.1,6.1,8 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS03, GHS05, GHS06, GHS08, GHS09 |
| Signal Word | Danger |
| Hazard Statement | H271-H301-H311-H314-H317-H330-H334-H340-H350-H361f-H372-H410 |
| Precaution Statement | P201-P220-P260-P273-P280-P284 |















