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  • Brett Casaccio

How Isopropyl Alcohol Sanitizers Can Protect You From Covid-19

With the cases of COVID-19 increasing at rocket speed across the globe, keeping ourselves protected and healthy right now is of utmost importance. The best way to keep ourselves safe from the new virus is by stocking up disinfectant wipes, hand sanitizers, and other similar sanitizing products. In this blog, let us talk more about isopropyl alcohol and its use in alcohol-based hand sanitizers.


Acceptable Quality Grade Of IPA


Isopropyl alcohol used in the production of hand sanitizers has to pass through some of the below quality checks and purity checks. In order to consider it to any of the above quality standards, proper testing must be conducted in accordance with the outlined methodology in the relevant standards. Here are the name and weblinks of the following quality grades.

Unacceptable Quality Grades Of IPA


Electronic or laboratory-grade of isopropyl alcohol is used mainly for electronic equipment cleaning, and several educational purposes but the exact amount or quantity of impurity present is unknown till now. In most cases, all these added impurities are potentially undetected by drug or food analysis methods that are suited for the human application. For this specific reason, electronic or laboratory-grade IPA isn’t acceptable for the making and production of hand sanitizers.


Technical Grade Of IPA


The definition for the technical grade of IPA is really a broad term and it encompasses various contaminant and purity profiles. Only those isopropyl alcohol that meets the acceptable quality checks are then further manufactured for human use as a drug or food. In order to check the technical grade, all the companies must go through additional testing to identify the total quantity of impurities that are found in IPA. All of the tests include:

  • Identification test including infrared absorption.

  • Gas chromatography or quantification testing.

  • Nonvolatile residues and volatile impurities identification and quantity checks.

  • Tests providing refractive index, gravity information, and water determination and acidity checks to know if the IPA is meeting all the acceptable quality standards.

While conducting all the above testing, the manufacturers of IPA based hand sanitizers must make sure that:

  • The average percentage of the impurities present does not exceed the levels that are set out in the acceptable quality standards.

  • All the quality checks and controls are in place ensuring that there isn’t any contamination or mixing with the IPA.

It is of utmost importance to know that any of the technical product grade that is to be used must be kept constant with the different type of raw materials used. Apart from that, it must also be made sure that no other sorts of preservatives have been added to the isopropyl alcohol concentration. It should also be taken into consideration that any presence of potentially harmful impurities during the processing approach should be well taken care of. If all these aren’t taken into consideration then the isopropyl alcohol cannot be considered fit for the usage of humans and it cannot be accepted as a raw material in sanitizers.


Now let's Discuss The Difference Between 70% Isopropyl Alcohol and 99% Isopropyl Alcohol


99 percent of Isopropyl alcohol is considered to be the purest form of isopropanol whereas, in the case of 70 percent IPA, it is diluted with thirty percent of completely purified water by volume. 70 percent isopropyl alcohol when diluted with thirty percent of purified water, helps in killing different organisms by denaturing the overall protein structure. These seventy percent IPA solutions help in dissolving their lipids and are considered to be effective against most of the fungi bacteria and other viruses.


Why Seventy Percent Isopropyl Alcohol Considered To Be A Better Disinfectant


Whenever it comes to disinfection, most of the time higher concentrations of alcohol are much less effective at killing bacteria and viruses. Many bugs, such as viruses and bacteria are often better cleaned and eliminated with the help of less concentrated isopropanol. A high concentration of Isopropanol might cause an external injury, making a protective wall shielding these organisms. Apart from that, many viruses and bacteria are very much sensitive to these alcohol concentrations. Always remember the fact that washing of hands is always the best, whenever it comes to disinfection. In research, it is also found that more than sixty percent of isopropanol is much more effective against flu, common cold, or the COVID-19 virus. Whereas 99 percent of isopropyl alcohol evaporates very fast without allowing it to pass through the cell walls and kill bacteria. That is why in most cases 99 percent isopropyl alcohol isn't considered good for hand sanitization.


Why High Percentage Of Isopropyl Is Less Effective Sometimes


The thumb rule to this completely depends on the virus. In most of the cases, viruses containing an envelope like structure such as coronavirus or the common cold can be broken or subdivided by isopropyl alcohol which is sixty percent or higher. Apart from that, there are some other viruses namely norovirus which cannot be killed using any form of alcohol concentration. This is the main reason why handwashing reigns supreme and is undoubtedly the most useful method to remove bacteria and viruses.

In case you are in need of IPA, Hbprochem can cater to it. We at Hbprochem provide the finest quality check, maintain the exact solution balance and provide the best quality isopropanol solution according to the industry standard. Get in touch with Hbprochem at info@hbprochem.com to know more.

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