Aluminium Stearate
| PROPERTIES & USAGE | ||
| Properties | Usage | |
| Chemical formula | Al2(SO4)3 | mordant in dyeing and printing textiles |
| Density | 2.672 g/cm3 (anhydrous) | reduce the pH of garden soil, |
| 1.62 g/cm3(octadecahydrate) | ||
| Melting point | 770 °C (1,420 °F; 1,040 K) (decomposes, anhydrous) | |
| 86.5 °C (octadecahydrate) | ||
| Molar mass | 342.15 g/mol (anhydrous) | hydrogen sulfide gas |
| 666.42 g/mol (octadecahydrate) | ||
| SPECIFICATION | |||
| Specification | : | Granular | Powder |
| Water soluble alumina (as Al2O3), %wt, min | : | 17 | 17 |
| Water insoluble matters, %wt, max | : | 0.5 | 0.5 |
| Iron content (as Fe2O3), %wt, max | : | 0.75 | 0.75 |
| Basicity, %wt, max | : | 0.3 | 0.3 |
| Fineness, (2 - 4 mm), %min | : | 90 | |
| Fineness, (< 200 mesh), %min | : | 90 | |