Sodium Sulphide
| PROPERTIES & USAGE | ||
| Properties | Usage | |
| Chemical formula | Na2S | Reagent in organic chemistry |
| Density | 1.856 g/cm3 (anhydrous) | |
| 1.58 g/cm3 (pentahydrate) | ||
| 1.43 g/cm3 (nonohydrate) | ||
| Melting point | 1,176 °C (2,149 °F; 1,449 K) (anhydrous) | |
| 100 °C (pentahydrate) | ||
| 50 °C (nonahydrate) | ||
| Molar mass | 78.0452 g/mol (anhydrous) | |
| 240.18 g/mol (nonahydrate) | ||
| SPECIFICATION | ||
| Specification | : | |
| Na2S: | : | 60% min |
| Na2CO3: | : | 2.0% max |
| Fe: | : | 30ppm max |
| Water Insoluble: | : | 0.20% max |
| APPEARANCE: | : | |