Classification & Qualities of Good Disinfectants
Alliance Formulations
Top CDMO in India, manufacturing & supplying world-class hygiene products to our clients since 2004
Disinfectants are the active antimicrobial chemicals/products which are used to execute the process of disinfection. Commonly used disinfectants fall into one or the other disinfectant groups. A good quality disinfectant should have broad-spectrum antimicrobial activity, should be non-toxic to users, non-corrosive to metals and eco-friendly.
Oxidizing disinfectants
1.??????Halogens i.e. Chlorine generating compounds.?
2.???????Iodine, Chlorine gas, Chlorine dioxide, Hydrogen peroxide and Peracetic acid?
Non-oxidizing disinfectants
1.??????Alcohols
2.??????Aldehydes
3.??????Biguanides
4.??????Phenolics
5.??????Quaternary ammonium compounds.
On the basis of their antimicrobial spectrum, they can be classified as bactericidal, fungicidal, virucidal and sporicidal. All the compounds vary in their antimicrobial spectrum, hence need to be chosen as per application/situation.?
Qualities of an Ideal disinfectant
1.????Broad antimicrobial spectrum – Bactericidal, fungicidal, virucidal and if to be used in critical areas?or high-level disinfection it needs to be sporicidal.
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2.????Fast acting: should produce a rapid kill.
3.????Not affected by environmental factors: should be active in the presence of organic matter (e.g., blood, sputum, faeces) and compatible with soaps, detergents, and other chemicals encountered in use.
4.????Non-toxic – Usually all the disinfectants are toxic in their concentrated form and should be used with proper care. But when they are diluted to ready-to-use concentrations, they should be non-toxic to the user or persons working in that area.
5.????Surface compatibility: should not corrode instruments and metallic surfaces and should not cause the deterioration of cloth, rubber, plastics, and other materials.
6.????Residual effect on treated surfaces: should leave an antimicrobial film on the treated surface.
7.????Easy to use with clear label directions.
8.????Odorless: should have a pleasant odor or no odor to facilitate its routine use.
9.????Economical: should not be prohibitively high in cost.
10. Solubility: should be soluble in water.
11. Stability: should be stable in concentrate and use-dilution.
12. Cleaner: should have good cleaning properties.
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