Chemicals
TopGeneral Information
Washing soda is easily mistaken for baking soda. Although the name looks the same, these two chemicals are not, althoug they are related.[1]
TopChemical & Physical Information
| Trivial name | Soda |
| Chemical name | Sodium carbonate |
| Other names | Soda (NL,BE) |
| Type of chemical | Ionic compound (salt) |
| Chemical formula | Na2CO3 |
| CAS number | 497-19-8 (anhydrous) 5968-11-6 (monohydrate) |
| Density | 2.532 g·cm-3 |
| Molar mass | 105.99 g·mol-1 |
| Melting point | 851 °C (anhydrous), 100 °C (monohydrate, decomposition), 34 °C (decahydrate, decomposition) |
| Boiling point | n/a |
| Soluble | In water |
| Solubility (water, 20 °C) | 214 g·L-1  |
| Crystal system | Orthorhombic (monohydrate), monoclinic (decahydrate) |
| Appearance | White crystalline solid |
| Colour | White |
| Safety summary | Irritating |
| Safety data | MSDS (monohydrate) |
| Storage | Dry |
| Extra | Hygroscopic |
Photos
(3 cm)
Sources
[1] Wikipedia
[2] Specimen from my personal collection, photo taken by me.
[3] Mullin J.W. - Crystallization, 2001
