TiAl alloy which has a microstructure at room temperature that comprises globular colonies of lamellae of α 2 -Ti 3 Al and γ-TiAl and silicide precipitates, wherein the β phase in the alloy makes up less than 5 vol.% and the alloy has one of the following compositions: (i) 43.5 to 45 at.% aluminum, 3.5 to 4.5 at.% niobium, 0.1 to 0.5 at.% molybdenum, 0.4 to 1 at.% tungsten, 0.25 to 0.35 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 3.5 at.% zircon, 0 to 0.3 at.% hafnium, unavoidable impurities and titanium, wherein titanium is provided in such an amount that the sum of the proportions of chemical elements contained amounts to 100 at.%; (ii) 43.5 to 45 at.% aluminum, 3.5 to 4.5 at.% niobium, 0.85 to 0.95 at.% molybdenum, 0.1 to 3 at.% zircon, 0.25 to 2.2 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 2.0 at.% tungsten, 0 to 0.3 at.% hafnium, unavoidable impurities and titanium, wherein titanium is provided in such an amount that the sum of the proportions of chemical elements contained amounts to 100 at.%; (iii) 46 to 48 at.% aluminum, 3.5 to 5 at.% niobium, 0.1 to 0.5 at.% molybdenum, 0.4 to 1.8 at.% tungsten 0.1 to 3 at.% zircon, 0.35 to 2.2 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 0.3 at.% hafnium, unavoidable impurities and titanium, wherein titanium is provided in such an amount that the sum of the proportions of chemical elements contained amounts to 100 at.%; (i) 43.5 to 45 at.% aluminum, 3.5 to 4.5 at.% niobium, 0.1 to 0.5 at.% molybdenum, 0.4 to 1 at.% tungsten, 0.25 to 0.35 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 3.5 at.% zircon, 0 to 0.3 at.% hafnium, unavoidable impurities and titanium, wherein titanium is provided in such an amount that the sum of the proportions of chemical elements contained amounts to 100 at.%; 3.5 to 4.5 at.% niobium, 0.1 to 0.5 at.% molybdenum, 0.4 to 1 at.% tungsten, 0.25 to 0.35 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 3.5 at.% zircon, 0 to 0.3 at.% hafnium, (ii) 43.5 to 45 at.% aluminum, 3.5 to 4.5 at.% niobium, 0.85 to 0.95 at.% molybdenum, 0.1 to 3 at.% zircon, 0.25 to 2.2 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 2.0 at.% tungsten, 0 to 0.3 at.% hafnium, unavoidable impurities and titanium, wherein titanium is provided in such an amount that the sum of the proportions of chemical elements contained amounts to 100 at.%; 3.5 to 4.5 at.% niobium, 0.85 to 0.95 at.% molybdenum, 0.1 to 3 at.% zircon, 0.25 to 2.2 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 2.0 at.% tungsten, 0 to 0.3 at.% hafnium, (iii) 46 to 48 at.% aluminum, 3.5 to 5 at.% niobium, 0.1 to 0.5 at.% molybdenum, 0.4 to 1.8 at.% tungsten 0.1 to 3 at.% zircon, 0.35 to 2.2 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 0.3 at.% hafnium, unavoidable impurities and titanium, wherein titanium is provided in such an amount that the sum of the proportions of chemical elements contained amounts to 100 at.%; 3.5 to 5 at.% niobium, 0.1 to 0.5 at.% molybdenum, 0.4 to 1.8 at.% tungsten 0.1 to 3 at.% zircon, 0.35 to 2.2 at.% silicon, 0.25 to 0.35 at.% carbon, 0.05 to 0.15 at.% boron, 0 to 0.3 at.% hafnium,