Aluminium Sulphate is a white to off-white powdered substance that is highly stable in nature but shows sensitivity to moisture and strong oxidizing agents. It is free from impurities and unwanted elements that make it highly pure with a purity level of up to 99 percent. This hygroscopic compound has a density of 2.672 grams per cubic centimeter with a solubility of 36.4 grams per 100 milliliters at a temperature of 20 degrees Celsius. Aluminium Sulphate is highly irritant to the eyes and may cause serious damages.