The liquefied petroleum gas (LPG) has been the following characteristics properties:

  1. LPG is a colorless, odorless (when pure) gas. The commercially supplied by LPG contains a strong smelling compound called ethyl mercapton (C2H5SH) to permit its detection in the case of any leakage.
  2. LPG is heavier than air. It is due to this reason that the gas stove using LPG is kept atomic a slightly higher level than the gas cylinder.
  3. LPG is highly combustible. It forms an explosive mixture with air. It burns with a blue flame.