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4.  Active Ingredient 

A 

# Active Ingredient

chemistry 

The chemical component in a disinfectant or cleaning product that delivers its antimicrobial or cleaning action.

## Definition

The active ingredient is the substance responsible for a product's intended effect. In chlorine-releasing disinfectant tablets such as NaDCC, the active ingredient releases available chlorine when dissolved in water. Other disinfectants use active ingredients such as sodium hypochlorite, hydrogen peroxide, quaternary ammonium compounds or alcohols.

## Why it matters

Two products with the same target concentration can behave very differently depending on their active ingredient—affecting contact time, material compatibility, stability and safety. Knowing the active ingredient is essential for safe substitution and correct dilution.

## Practical applications

Referenced on product labels, safety data sheets, dilution charts and regulatory registrations.

## Related terms

[Air Particle Count](/knowledge-center/glossary/air-particle-count)[Bleach](/knowledge-center/glossary/bleach)[Chlorine Concentration](/knowledge-center/glossary/chlorine-concentration)[Chlorine Demand](/knowledge-center/glossary/chlorine-demand)[Chlorine-Releasing Agent](/knowledge-center/glossary/chlorine-releasing-agent)[Hypochlorous Acid (HOCl)](/knowledge-center/glossary/hypochlorous-acid)

## Referenced in

-   [Disinfectant Tablet Dilution: How to Calculate the Right Concentration](/knowledge-center/articles/disinfectant-tablet-dilution-how-to-calculate-the-right-concentration)
-   [What is Disinfection?](/knowledge-center/articles/what-is-disinfection)
-   [NaDCC vs Sodium Hypochlorite](/knowledge-center/articles/nadcc-vs-sodium-hypochlorite)
-   [What is NaDCC?](/knowledge-center/articles/what-is-nadcc)

## Need help applying this?

Our team can help design the right disinfection protocol for your operation.

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