Original: Pure, water-free acetic acid (glacial acetic acid) is a colourless liquid that absorbs water from the environment (hygroscopy), and freezes at 16.5 C (62 F) to a colourless crystalline solid.
Simplified: Its melting point is 16.5 C (61.6 F) and boiling point is 118.1 C (244.5 F).