what chemical is antifreeze
Ethylene glycol, the main ingredient in most antifreeze brands, has an inviting aroma and a sweet flavor. Its appealing smell and taste often tempt animals and children to drink the highly poisonous substance.. Switch to a brand of antifreeze that contains propylene glycol instead of ethylene glycol. Note that although it's safer than ethylene glycol antifreeze, propylene glycol antrifreeze is still toxic. 2.