Chemicals
TopGeneral Information
Rochelle salt can be made by using the making rochelle salt experiment.[1]
TopChemical & Physical Information
| Trivial name | Rochelle salt |
| Chemical name | Potassium sodium tartrate, tetrahydrate |
| Other names | Seignette salt (EN), Rochelle zout (NL,BE) |
| Type of chemical | Ionic compound (salt) |
| Chemical formula | KNaC4H4O6, 4H2O |
| CAS number | 304-59-6 (anhydrous) 6381-59-5 (tetrahydrate) |
| Density | 1.79 g·cm-3 |
| Molar mass | 282.22 g·mol-1 |
| Melting point | 70-80 °C |
| Boiling point | - |
| Soluble | In water |
| Solubility (water, 20 °C) | 630 g·L-1 |
| Crystal system | Triclinic |
| Appearance | White crystalline solid |
| Colour | White |
| Safety summary | Safe |
| Safety data | MSDS |
| Storage | Dry |
| Extra | - |
Photos
(3 cm)
Sources
[1] Wikipedia
[2] Specimen from my personal collection, photo taken by me.
[3] Mullin J.W. - Crystallization, 2001
