Hi Nate,
To help clear up some misunderstanding read below.
*99.9% isopropyl alcohol is NOT safe. It is used with electronics because it is effectively non-conductive, evaporates quickly and does not leave mineral residue ***''but''*** remember a liquid is a liquid and ***''99.9% isopropyl is a solvent''***. 99.9% meaning it does not contain water and thus no suspended minerals.
*It is also dangerous:
# Highly flammable so keep away from heat, sparks, open flame and hot surfaces.
# Causes serious eye irritation as a liquid or a vapour.
# May cause drowsiness or dizziness.
# Do not get on eyes, skin or clothing.
# Use with PPE (Personal Protective Equipment)