Here's why:
* Rust formation requires oxygen and water. Isopropyl alcohol (rubbing alcohol) does not contain significant amounts of dissolved oxygen or water.
* Isopropyl alcohol is a solvent. It can actually help remove any existing moisture on the steel surface, making it less susceptible to rust.
* Isopropyl alcohol is not corrosive to steel. It does not chemically react with steel in a way that would lead to rust formation.
However, it's important to remember that:
* Isopropyl alcohol evaporates quickly. If the steel is exposed to air after being cleaned with isopropyl alcohol, it can still rust if moisture and oxygen are present.
* Isopropyl alcohol is not a long-term rust prevention solution. It's best to apply a protective coating like oil or paint for long-term rust prevention.
In summary, isopropyl alcohol is not likely to cause rust on steel, but it's not a permanent rust prevention solution either.
