Evacuate all personnel from affected area. Use appropriate protective equipment. If leak is in user's equipment, be certain to purge piping with inert gas prior to attempting repairs. If leak is in container or container valve, contact the appropriate emergency telephone number listed in Section 1 or call your closest BOC location. Class 1, Group A. Acetylene is shipped in a cylinder packed with a porous mass material, and a liquid solvent, commonly acetone.
Acetylene is dissolved in the acetone solution and dispersed throughout the porous medium.
When the valve of a charged acetylene cylinder is opened, the acetylene comes out of solution and passes out in the gaseous form. There should be no sources of ignition in the storage or use area. Use only in well-ventilated areas. Stationary customer site vessels should be operated in accordance with the manufacturer's and BOC instructions. Do not attempt to repair, adjust or in any other way modify the operation of these vessels.