What is methyl methacrylate, the chemical that's caused a state of emergency in southern California? - CBC

What is methyl methacrylate, the chemical that's caused a state of emergency in southern California?    CBC California governor declares state of emergency due to overheating chemical tank    CBC Southern California chemical tank at risk of exploding as 40,000 residents are ordered to evacuate    CTV News California declares state of emergency as fire crews race to contain toxic chemical leak    BBC Evacuation centers fill up in Southern California as efforts continue to cool damaged chemical tank    CityNews Montreal

Original source: Google News