Magnesium sulphate is highly soluble in water. The anhydrous form is strongly hygroscopic and can be used as a desiccant.
Shelf Life: Long life is expected in airtight bags.
| Chemical Formula | MgSO4·7H2O |
| Molecular Weight | 120.366 |
| CAS No. | 7487-88-9 |
| Parameters | Limits |
| Physical appearance | Colorless to Slight yellow liquid |
| Purity as MgSO4 | 25 % ± 0.5 |
| Purity as Mg | 0.2 % max. |
| pH of solution | 7.0 – 9.0 |
| Specific gravity at @25°C | 1.275 – 1.290 |
| Water insoluble | 0.3 % max. |
Common uses of Magnesium Sulphate Liquid are as given below: One of its major uses is in agriculture and gardening where it is used as a fertilizer.
Used for grass-making, fertilizer, porcelain, paint, matches, and fireproofs materials.
As a filler in leather-making industry for increasing heat endurance performance.
As well as in paper pulp industry, rayon and silk industry.
Anhydrous form is able to apply in dryer and dehydrating agent, apply in printing of thin cotton cloth, silk, as weighting agent for cotton silk.
It is supplied in bulk, in Rubber lined or FRP tankers.
Store in a cool and ventilated area. Avoid contact with eyes, skin, harmful if swallowed, causes irritation to skin, eyes and repiratory tract. May cause allergic skin or respiratory reactions. Remove the victim to fresh air if breathing is difficult. Use safety goggles and rubber gloves.