Azure, a cloud Gray charged with a dragon rampant Or standing on an Erlenmeyer Flask Gules.
That for the regiments and separate battalions of the Army Reserve: From a wreath Or and Azure, the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, sculptor), stands on the Common in Lexington, Massachusetts.
Blue and gold are the colors for Chemical Battalions. The cloud silhouette, alluding to smoke, represents gas warfare. The Erlenmeyer Flask is indicative of mixing elements and research in the field of chemistry. The dragon symbolizes the fighting capabilities of the battalion.
The crest is that of the U.S. Army Reserve.
The coat of arms was approved on 27 April 1998.