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Hydrogen Peroxide vs Rubbing Alcohol

On the similarities and differences between hydrogen peroxide and medical alcohol

Hydrogen peroxide and medical alcohol are both commonly used in daily disinfection. However, their properties and uses are really similar and cannot be ignored.

Let's talk about the differences first. For hydrogen peroxide, the chemical formula is\ (H_2O_2\). Its aqueous solution is commonly known as hydrogen peroxide, and its appearance is colorless and transparent. Its disinfection principle is due to its strong oxidation, which can break the cell wall and membrane of microorganisms, and then destroy its nucleic acid and protein, causing microbial death. In medical treatment, it is often used for cleaning deep wounds and can remove anaerobic bacteria. Because it encounters catalase in the tissue, it decomposes and releases new oxygen, achieving the effect of sterilization. If treating deeply contaminated wounds, it can prevent the growth of anaerobic bacteria such as tetanus bacteria.

Medical alcohol is mostly a mixture of ethanol and water, with a common concentration of\ (75\%\). Its disinfection is based on denaturing proteins. Alcohol can penetrate into microbial cells, causing protein coagulation and denaturation, thereby killing microorganisms. Its effect is rapid, and it is mostly used for skin surface disinfection, such as skin wiping before injection, which can effectively kill common bacteria and some viruses.

The two uses are also different. In addition to being used for wound disinfection, hydrogen peroxide is also used for environmental and object surface disinfection, and can be used as a chemical raw material for bleaching, etc. Although medical alcohol can be used for surface disinfection of items, it is flammable, so it is necessary to avoid open flames when using it. It is mainly used for human skin disinfection, not for mucous membranes and large wounds, because of greater irritation.

Again, it is the same. Both have the ability to disinfect and sterilize, and can kill a variety of bacteria and viruses. They are important for medical hygiene and daily epidemic prevention. And safety should be paid attention to when using them. Hydrogen peroxide is corrosive, and high-concentration contact with skin and mucous membranes can cause burns. Medical alcohol is flammable, and it is easy to burn and explode in case of open flames and hot topics. Pay attention to use and storage.

In short, although hydrogen peroxide and medical alcohol are both good disinfection products, they each have their own characteristics and applicable scenarios. Users should be aware of their similarities and differences and choose them reasonably to achieve the best disinfection effect and ensure personal and environmental safety.