A correct answer is difficult: 1. Rubbing alcohol is ethanol (ethyl alcohol) intentionally contaminated with methyl alcohol or isopropyl alcohol. 2. Isopropyl alcohol, in jargon.
One is that it is quite flammable. It's not clear what chemical properties you mean however. It is called isopropyl alcohol, isopropanol, or 2-propanol, or propan-2-ol. It's...
Should be nothing more than isopropyl alcohol and perhaps some water. Some preparations also add some food coloring (green, usually), so it doesn't look like water.