By Amber Stegall| May 21, 2012 at 3:37 PM CDT - Updated June 27 at 4:27 AM
Acetylene is a colorless and odorless gas. Commercial grade Acetylene may have an Ether-like or garlic-like odor. It is used for welding, cutting, brazing and soldering, and in making other chemicals. Click here for more information.