
==Production and equilibrium with methylacetylene== Allene exists in equilibrium with methylacetylene, the mixture sometimes being called MAPD for methylacetylene-propadiene: for which Keq = 0.22 (270 °C) at 0.1 K (5 °C). MAPD is produced as a side product, often an undesirable one, of cracking propane to produce propene, an important feedstock ...
Found on
http://en.wikipedia.org/wiki/Propadiene

A fuel gas. A member of the di-olefin family. A hydrocarbon molecule comprising three carbon atoms and four hydrogen atoms, C3H4. Each carbon atom forms a double covalent bond with another carbon atom in which two pairs of electrons are shared.
Found on
http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/p.html
No exact match found.