Poly Allylamine Hydrochloride is a chemical compound having empirical formula C3H8ClN with molecular weight of 93.554 g/mol. It is a cationic polyelectrolyte which is widely utilized in biomedical industry. This compound is considered to be perfect for cell encapsulation so as to create a barrier between cell & external environment. During a chemical reaction, it can donate 2 & accept 1 hydrogen bond. Poly Allylamine Hydrochloride appears as yellow colored powder with melting point of about 250 degrees celsius. It is a water soluble compound which shows incompatibility with strong oxidizing agents.