EN 590 Gas Oil is a 10 ppm (parts per million) sulphur content gas oil. It has a higher cetane number than A2 Class Gas Oil (another 10ppm sulphur content class of red diesel), making it better suited to internal combustion engines in off-road vehicles. Its parameters include density at 15C (typically at this temperature it will have a density of 0.856kg/m3 with a minimum of 0.82kg/m3 required), a typical 0.1% carbon residue value (where the maximum permitted for this grade is 0.3%). The minimum flashpoint (the lowest temperature at which the fuel produces vapour that is an ignitable mixture in air near the surface of the liquid) is 56C.