Chemistry Physical Properties of Ethanoic Acid It is a colourless liquid with a sharp and pungent smell. The dilute solution has a sour taste It is very soluble in water It has a boiling point of 118°c It turns blue litmus paper red. Was this helpful?👍 Yes👎 No ← Previous Ethanoic Acid Next → Chemical Properties of Ethanoic Acid Leave a comment Cancel replyYou must be logged in to post a comment.