... cutting metals (oxy-acetylene flame), but also manufacture of acetaldehyde, acetic acid, benzene, synthetic rubber, synthetic ... is a colorless pure slightly aromatic odor of gas, since the acetylene from calcium carbide ... and 1.19 × 105Pa pressure, the melting point of -81 , inflammable, explosive limit in the air ... at 1.2 MPa, a volume of 300 volume of acetone can be dissolved acetylene, liquid ...