Quick Answer: How Does Bleach Work As A Disinfectant?

Chlorine bleach is especially valuable as a disinfectant, since germs are not able to develop immunity against it, as they have done against certain drugs [source: Lenntech].

When sodium hypochlorite comes in contact with viruses, bacteria, mold or fungi, it oxidizes molecules in the cells of the germs and kills them.

How effective is bleach as a disinfectant?

Bleach is a strong and effective disinfectant. Its active ingredient, sodium hypochlorite, denatures protein in micro-organisms and is therefore effective in killing bacteria, fungus and viruses. Household bleach works quickly and is widely available at a low cost.

How do you use bleach as a disinfectant?

Ratio: 1 tablespoon of bleach to 1 gallon of cool water. Contact Time: Let stand for 2 minutes, then wipe or air dry. Disinfecting: Ratio: 1/4 (minimum) to 3/4 (maximum) cup of bleach to 1 gallon of cool water or 1 table- spoon (minimum) to 3 table- spoons (maximum) of bleach to 1 quart of water.

Does bleach actually kill germs?

Bleach is a strong and effective disinfectant – its active ingredient sodium hypochlorite is effective in killing bacteria, fungi and viruses, including influenza virus – but it is easily inactivated by organic material.

How long does bleach take to disinfect?

Bleach solutions require a full 10 minutes of contact time to ensure complete disinfection. If bleach solution evaporates in less than 10 minutes, a greater volume of solution should be applied.

Is Vinegar a good disinfectant?

Acetic acid (a.k.a. white vinegar) is a great disinfectant. It also acts as a deodorizer and cuts grease. You can tackle salmonella, E. coli and other “gram-negative” bacteria with vinegar.

What is the best disinfectant?

We found the Purell Professional Surface Disinfectant Spray to be the best disinfectant for surfaces as it’s safe to use around food. Other best household disinfectants include the Lysol Laundry Sanitizer Additive, Lysol Disinfectant Spray, Clorox Ultra Clean Disinfecting Wipes, and Method Antibacterial Toilet Cleaner.