Flammable 1,3 Butadiene Gas can form peroxide in the pressure of air. Bhuruka Gases Ltd manufactures Flammable 1,3 Butadiene Gas. Bhuruka Gases Ltd is an ISO 9001-2008 awarded company that also manufactures wide range of Industrial Gases. Flammable 1,3 Butadiene Gas contains inhibitors to prevent polymerization. Its molecular weight is 54.09. It is a colourless, flammable and odourless gas. Its flammability limits are 2 - 12 % in Air.