Isopropyl Alcohol (IPA)

Definition - What does Isopropyl Alcohol (IPA) mean?

Isopropyl alcohol refers to an isomer of 1-propanol that is a colorless liquid with strong disinfectant properties and is widely used as an antiseptic. It is also used to clean corrosion-induced rust deposits from metallic surfaces.

Corrosionpedia explains Isopropyl Alcohol (IPA)

Isopropyl alcohol is used industrially to produce the following substances used for corrosion monitoring and prevention:

  • Adhesives and sealant chemicals
  • Anti-adhesive agents
  • Finishing agents
  • Lubricants and lubricant additives
  • Paint additives and coating additives not described by other categories
  • Pigments

Isopropyl alcohol is particularly good for cleaning corrosion products caused by water damage due to its moisture absorbing properties. It is hygroscopic in nature, having the ability to absorb moisture from the air. When exposed to water, isopropyl alcohol absorbs moisture until reaching a state of equilibrium. This mixture state is contains 65% isopropyl alcohol and 35% water.

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