Description
| CAS | 497-19-8 |
| Molecular Formula | Na2CO3 |
| Molecular Weight | 105.99 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White powder |
| Odour | Odorless | pH Value | 12 at 106 g/l at 25 °C |
| Melting Point/ Freezing Point [°C] | 851 °C | Boiling Point [°C] | 400°C |
| Density [g/cm3] | 2.532 | Solubility in Water [% weight] | 106 g/l at 20 °C – completely soluble |
| Specifications | |||
| Appearance | White crystalline or granular powder | Assay (On Anhydrous Basis) | Min 99.5% |
| Identity | Passes test | Appearance of Solution | Passes test |
| Insoluble Matter in Water | Max 0.01% | Moisture (At 300°C) | Max 0.5% |
| Chloride (Cl) | Max 0.002% | Phosphate And Silicate (As Sio2) | Max 0.005% |
| Total Sulphur (As So4) | Max 0.005% | Heavy Metal (As Pb) | Max 0.0005% |
| Arsenic (As) | Max 0.0005% | Calcium (Ca) | Max 0.03% |
| Iron (Fe) | Max 0.0005% | Potassium (K) | Max 0.01% |
| Magnesium (Mg) | Max 0.005% | ||
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H319 |
| Precaution Statement | P305 + P351 + P338 |



