Paraffin Oil paraffin oil Paraffin oil is the term generally used to describe any solid or liquid mixture of purified saturated, aliphatic hydrocarbons (paraffins) obtained from petroleum. A distinction is made between ‘viscous paraffin’ (Paraffinum liquidum or Paraffinum subliquidum), ‘low-viscosity paraffin’ (Paraffinum perliquidum) and ‘hard paraffin’ (Paraffinum solidum), this distinction being based primarily upon viscosity. […]