Description
Chromic acid disodium salt; Chromium disodium oxide; Rachromate
| CAS | 10034-82-9 |
| Molecular Formula | Na2CrO4.4H2O |
| Molecular Weight | 234.07 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Lemon yellow |
| Odour | Odorless | Density [g/cm3] | 2.723 |
| Solubility in Water [% weight] | Soluble in cold water | ||
| Specifications | |||
| Appearance | Lemon yellow crystalline powder | Assay | Min 99% |
| Acidity (As Hcl) | Max 0.2% | Alkalinity (As Naoh) | Max 0.1% |
| Aluminium (Al) | Max 0.002% | Calcium (Ca) | Max 0.005% |
| Chloride (Cl) | Max 0.005% | Insoluble Matter | Max 0.005% |
| Dangerous Goods Information | |||
| UN Number | 3288 | DG Class | 6.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS05, GHS06, GHS08, GHS09 |
| Signal Word | Danger |
| Hazard Statement | H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410 |
| Precaution Statement | P201-P260-P273-P280-P284-P301 + P310 |















