It is a mixture of light hydrocarbon in gaseous form. Contains 80-95% methane, and remaining are other higher hydrocarbon, carbon dioxides, nitrogen etc. which is used as a heating fuel (Piped Natural Gas known as PNG) and motor fuel (Compressed Natural Gas known as CNG).

  • It is lighter than air and will dissipate into atmosphere.
  • It is a colourless and originally odourless and is for safety precautions added scent (Ethyl Mercaptan) to detect leaks.
  • Its flammable limit in air (% by volume) is from 5 – 15 %. Natural gas without sufficient air or with too much air will not burn or explode.
  • It is easily ignitable by spark or flame. Its auto ignition temperature is 540 Degree C.
  • It is a Combustible gas = combustible when mixed with air
  • It is the cleanest of the fossil fuels and very safe environment friendly energy source.