Isopropyl alcohol

Definition

Isopropyl alcohol, also known as isopropanol, is a colorless, flammable liquid with antiseptic properties used to disinfect surfaces and instruments. It works by denaturing proteins and dissolving lipids, effectively killing or inhibiting microbial growth.

5 Must Know Facts For Your Next Test

1. Isopropyl alcohol typically has an optimal concentration of 70% for antimicrobial effectiveness.
2. It is commonly used in healthcare settings for sanitizing hands and cleaning medical equipment.
3. Isopropyl alcohol evaporates quickly, leaving no residue which makes it ideal for surface disinfection.
4. It can be toxic if ingested or absorbed in large quantities through the skin.
5. Isopropyl alcohol is effective against a wide range of microorganisms including bacteria, viruses, and fungi.

Review Questions

• What is the optimal concentration of isopropyl alcohol for antimicrobial effectiveness?
• Why is isopropyl alcohol preferred for disinfecting surfaces in healthcare settings?
• What types of microorganisms can be effectively controlled using isopropyl alcohol?

Related terms

Ethanol: A type of alcohol used as an antiseptic and in hand sanitizers.

Antiseptic: A substance that inhibits the growth and development of microorganisms on living tissue.

Disinfectant: Chemical agents applied to non-living objects to destroy microorganisms.