How to Use 70% Isopropyl Alcohol for Sanitizing

04/06/2023

Isopropyl alcohol, also known as rubbing alcohol, is a common household item that can be used for disinfecting surfaces and objects. However, not all concentrations of isopropyl alcohol are equally effective for sanitizing. In this article, we will explain why 70% isopropyl alcohol is the optimal concentration for killing germs and how to use it safely and effectively.

Why 70% Isopropyl Alcohol?

Isopropyl alcohol works by denaturing the proteins and lipids of microorganisms, causing them to lose their structure and function. However, if the concentration of isopropyl alcohol is too high or too low, it may not be as effective.

A higher concentration of isopropyl alcohol may evaporate too quickly, leaving behind some germs that are not exposed to the alcohol long enough to be killed. A lower concentration of isopropyl alcohol may not have enough alcohol to penetrate the cell membrane and disrupt the vital processes of the microorganisms.

According to the Centers for Disease Control and Prevention (CDC), 70% isopropyl alcohol is the ideal concentration for disinfecting hard, non-porous surfaces and objects. It has enough water to slow down the evaporation rate and enhance the contact time with the germs, while also having enough alcohol to damage their cellular components.

How to Use 70% Isopropyl Alcohol for Sanitizing?

To use 70% isopropyl alcohol for sanitizing, you will need a spray bottle, a clean cloth or paper towel, and gloves. Follow these steps:

Put on gloves and make sure the area is well-ventilated.
Fill the spray bottle with 70% IPA. Do not dilute it with water or other substances.
Spray the surface or object with enough isopropyl alcohol to make it wet. Do not spray on electrical outlets, switches, or devices.
Wipe the surface or object with a clean cloth or paper towel to remove any dirt or debris.
Let the surface or object air dry completely before touching or using it.

What Are the Benefits and Risks of Using 70% Isopropyl Alcohol for Sanitizing?

Using 70% isopropyl alcohol for sanitizing has several benefits and risks that you should be aware of. Here are some of them:

Benefits	Risks
– It is inexpensive and widely available	– It is flammable and can cause fires or explosions if exposed to heat, sparks, or flames
– It is fast-acting and kills 99.9% of germs within 30 seconds	– It can irritate the skin, eyes, nose, and throat if inhaled or contacted
– It does not leave any residue or odor on the surface or object	– It can damage some materials such as rubber, plastic, or leather if used frequently or excessively

Conclusion

70% isopropyl alcohol is a simple and effective way to sanitize surfaces and objects in your home or workplace. However, you should always use it with caution and follow the proper instructions to ensure your safety and the effectiveness of the disinfection. Remember to store it in a cool, dry place away from children and pets.

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