Sodium chloride injection is a sterile injection containing 0.9% sodium chloride, also known as physiological saline. It is a common infusion and widely used in clinical medicine. Sodium chloride injection is mainly used to maintain the balance of body fluids and electrolytes, and to assist in the treatment of dehydration, hypovolemia and shock. It can also be used for drug dilution and intravenous infusion. Sodium chloride injection is a colorless and transparent solution with a pH value of 5.0-7.5. Its chemical formula is NaCl and its molecular weight is 58.44.
Besides clinical application, sodium chloride injection is also widely used in laboratory research and industrial production. When preparing and using sodium chloride injection, its sterility and purity must be maintained, and the corresponding use norms and safety standards must be followed.