Propane

Propellant.

What it is

A gas obtained from natural gas and petroleum, kept liquid under pressure in spray cans.

A propellant that pushes the product out of an aerosol can.

A short summary from the dictionary, not yet an in-depth article. About these entries

PropellantOfficial EU function: Propellant

Worth knowing · The pure substance, EU

As a pure substance it has a physical hazard (for example flammable) (EU harmonised classification). How much a product contains matters.

A label gives no amounts, so none of this says a product is unsafe.