Is perfume flammable

YES, like all ethanol/ alcohol products with at least 50% purity. [F+]

It's toxic even at 5%/E5. Ethanol/ Alcohol is a HYDROCARBON. It is C2-H4-HO1 typically. Christian religions have banned it's consumption from the Puritans to Bejamin Franklin's Quakers. Alcohol/ Ethanol was banned in the 1930's in the Usa. Chevy/GMC uses Ethanol/ Alcohol in their E85 flex fuel hydrocarbon cars.