Doug Miller wrote:

Copied verbatim from the back of a can of Gunk Silicone Spray Lubricant,
p/n AMS9-14, that I have in my garage:

"Contains petroleum distillate (CAS# 142-82-5), propane (CAS# 74-98-6),
Dimethyl polysiloxane (CAS# 63148-98-6), and water (CAS# 7732-18-5)."

Water? Now that is what is a surprise to me.