
Chlorhexidine gluconate, with the CAS number 18472-51-0, is a widely - used disinfectant and antiseptic. It is a chemical compound in the form of a colorless to pale yellow liquid or a white to off - white powder. The molecular formula of chlorhexidine gluconate is C₂₂H₃₀Cl₂N₁₀·2C₆H₁₂O₇, and it has a molecular weight of approximately 897.79 g/mol.
It has excellent solubility in water, alcohol, and some other solvents. In commercial products, it is often available in different concentrations, typically ranging from 2% to 4% for topical applications and higher concentrations for industrial or specialized uses. The pH of chlorhexidine gluconate solutions usually falls in the range of 5 - 7, which is relatively mild and suitable for many applications.
Chlorhexidine gluconate has a wide range of applications:
Topical Application: For skin disinfection, first clean the area with mild soap and water. Then, moisten a cotton ball or swab with the appropriate concentration of chlorhexidine gluconate solution and gently apply it to the skin. Rub it in for the recommended time (usually 3 - 5 minutes) according to the product instructions. For oral use, rinse the mouth with the chlorhexidine gluconate mouthwash for about 30 seconds to 1 minute, then spit it out. Do not swallow the mouthwash.
Surface Disinfection: Dilute the concentrated chlorhexidine gluconate solution according to the manufacturer's instructions. Then, use a clean cloth or sprayer to apply the solution to the surface. Let the surface remain wet for the required contact time (usually 5 - 10 minutes) to ensure effective disinfection.
Hospital Surgical Site Infection Prevention: A large hospital introduced chlorhexidine gluconate for preoperative skin preparation. Before the implementation, the surgical site infection rate was approximately 3%. After switching to chlorhexidine gluconate for skin disinfection, the infection rate dropped to 1.5% within six months. This significant reduction was attributed to the strong antibacterial properties of chlorhexidine gluconate, which effectively eliminated a large number of potential pathogens on the skin.
Dental Hygiene Improvement: A dental clinic recommended chlorhexidine gluconate mouthwash to patients with gingivitis. After a three - month trial, patients who used the mouthwash regularly showed a 40% reduction in gingival inflammation compared to those who used a regular mouthwash. The antibacterial action of chlorhexidine gluconate helped to control the bacteria in the oral cavity, reducing plaque formation and inflammation.
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