Diethyl ketone is a similar to acetone odor colorless, Flammable Liquid.  Di Ethyl Ketone also known as 3-pentanone

Technical Specification

Diethyl ketone CAS No is 96-22-0 and Chemical Formula of Diethyl Ketone is (C₂H₅)₂CO

Appearance, Clear colorless liquid, Purity (by GC), Min 99.0%. Density (at 20°C), 0.813-0.815 g/ml,

Diethyl ketone with an acetone-like odor.
Flash point  of Diethyl Ketone is 55°F.
DIK Less dense than water and Vapors heavier than air.