Disinfectant Spray Recipe Using 91% Isopropyl Alcohol

How to make disinfectant spray using 91% Isopropyl Alcohol

Recipe: Make Your Own Disinfectant Spray from 91% Isopropyl Alcohol (Rubbing Alcohol)

When it comes to the healthy and safety of your family, friends, and coworkers, only the very best will do.  While isopropyl alcohol will kill germs and viruses, we recommend using 100% ethyl alcohol vs 91% isopropyl alcohol for making disinfectant spray.  View our preferred recipe for creating homemade disinfectant spray using 100% ethyl alcohol (200 proof ethanol)

Disinfectant Spray Recipe Using 91% Isopropyl Alcohol

Yield: 9 fl oz Disinfectant Spray

Final Concentration After Mixing:  81% ABV

Important Heads up! If you dilute too much you will spread germs not kill them.  Measure your ingredients when making this recipe, the health of your loved ones could be counting on it!  When in doubt toss it out.

Ingredients:

  • 8 fl oz, of 91% Isopropyl Alcohol.
  • 1 fl oz tap water.  (1 Tablespoon = 0.5 fl oz)

Step 1 - In a clean spray bottle, combine the 91% isopropyl alcohol with water.  Mix well by shaking gently.

Step 2 - Store the combined alcohol and water solution in a spray bottle for convenient measured dispensing.  Store bottle away from sources of heat, spark, or direct sunlight.  Mixture does not expires, contents will kill germs and viruses so long as the ABV remains above 70%.  Source.

Congratulations!
Your disinfectant spray is finished and ready to kill some germs and viruses. Good work!


    FAQs

    Yes, so long as the concentration and contact time minimum requirements are met.  For a detailed answer with links to authoritative sources, visit Does Ethyl Alcohol Kill Germs, Viruses, and Bacteria

    Visit the online store at CulinarySolvent.com to buy pure premium 200 proof food grade ethanol for making your own homemade hand sanitizer or surface disinfectant.

    Not all alcohol is created equal, and the strength (Alcohol by Volume or ABV) of your starting alcohol will determine the recipe you should follow to make sanitizer or disinfectant. Check the label of your alcohol or visit https://culinarysolvent.com/blogs/alcohol-for-makers/how-to-determine-alcohol-concentration-for-hand-sanitizer-disinfectant-recipes for more information.

    Absolutely! Customizing your hand sanitizer by adding ingredients like moisturizing lotions, essential oils, vitamins, or aromatherapy scents is a great way to tailor the recipe to meet your family’s specific needs. When incorporating additional ingredients, be sure to subtract the volume from the gel or cream base, but never reduce the alcohol content. Always ensure the final mixture maintains an alcohol by volume (ABV) of 60% or higher to keep the sanitizer effective.

    No. It is never safe to mix common household products, especially bleach or ammonia with each other or with ethyl alcohol. Never reuse bottles or containers that once held bleach or ammonia in them to prevent accidental mixing.

    No, aloe vera gel is not a required ingredient for hand sanitizer recipes.   Aloe vera gel is useful in moisturizing the skin, and therefore is commonly included in most recipes for hand sanitizer. Alternatively, you can substitute aloe vera gel for your favorite lotion or cream.  Substituting aloe vera gel for your own lotion is an effective way to customize your hand sanitizer for maximum comfort and benefit. When substituting lotion for aloe vera gel, do not adjust the amount of alcohol used to ensure the antibacterial, antimicrobial, and antiviral properties of your hand sanitizer are maintained.

    Technically, homemade hand sanitizer doesn't expire, but it can become less effective over time. This happens when alcohol evaporates, reducing the solution's alcohol by volume (ABV) below the recommended 60%. If you've recently made a fresh batch, it should remain effective for at least a year, as long as it's stored in a tightly sealed bottle, away from heat and sunlight.

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