If breathing is difficult, give oxygen. Get medical aid. If conscious, give 1-2 glasses of water. Get medical aid. Use water spray, dry chemical, carbon dioxide, or chemical foam.
Vapors can travel to source of ignition and flash back.
Remove all sources of ignition. Provide adequate ventilation. Wear appropriate personal protection. Sprinkle absorbent compound onto spill, then sweep into a plastic or metal container. Wipe up further residue with paper towel and place in container.