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what is meant by the term Inert Ingredients?

Hello and Good Evening Everyone,

        From a label on a disinfectant viricide bottle, I noticed an area listed as Inert Ingredients with a percentage of 99.93%.  Didecyl dimethyl ammonium chloride being  .04% and dimethyl benzyl ammonium chloride being  .03%.  Given this information, I am wondering what is meant by Inert Ingredients.  

         Any clarification which can be given for the meaning of Inert Ingredients will be greatly appreciated.  

         Thank you

         George
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CompProbSolv
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I did a Google search on "inert ingredients" and this was the first page that came up: https://www.epa.gov/pesticide-registration/inert-ingredients-overview-and-guidance 
It includes:
What are Inert Ingredients?
Most pesticide products contain substances in addition to the active ingredient(s) that are referred to as inert ingredients or sometimes as “other ingredients.” An inert ingredient generally is any substance (or group of similar substances) other than an active ingredient that is intentionally included in a pesticide product.  Examples of inert ingredients include emulsifiers, solvents, carriers, aerosol propellants, fragrances and dyes.
Hi George,
Inert ingredients are also known as inactive ingredients. Examples are emulsifiers and solvents. In other words, the active ingredients are in the inactive/inert ingredients, providing the mechanism for distributing the active ingredients. This method is commonly used in drugs and pesticides, which is why you found it on the disinfectant viricide label. If you haven't Googled it yet, searches for "inert ingredients" and "inactive ingredients" will give you many hits worth reading. Regards, Joe
The compounds you mentioned are antimicrobial, meant to either destroy or keep dormant some bioactive component of your liquid.

Many times these particular compounds are used to inhibit enzymes. When ambient air heats past a certain point enzymes activity can increase causing liquids to go through slight fermentation or other biological process, which causes liquids to expand then either leak or explode.

Super annoying to be shipping exploding bottles, hence compounds to inhibit these type reactions.

Also, shippers become very excited when liquid bottles begin exploding.
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BillDL
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Thank you, everyone, for your shared feedback given in reply to my question.  While some of the information shared here was a bit hard to wrap my head around, I did understand the crux or heart of it.  On a side note, we do have a SDS or Safety Data Sheet which provides a condensed but in-depth look at each chemical's risk factor on a variety of dimensions including health and reactivity to just name a few.   The rating system goes from a scale of 0 to 5 where 0 is no risk and 5 being maximum risk.

George
Thank you George