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In November 1776, methane was first scientifically identified by Italian physicist Alessandro Volta in the marshes of Lake Maggiore straddling Italy and Switzerland. Volta was inspired to search for the substance after reading a paper written by Benjamin Franklin about flammable air.
METHANE. Methane is a colorless, odorless gas with a wide distribution in nature. It is the principal component of natural gas, a mixture containing about 75% CH. At room temperature, methane is a gas less dense than air.It melts at 183Â°C and boils at 164Â°C. It is not very soluble in water.Methane is combustible, and mixtures of about 5 to 15 percent in air are explosive.Methane is not toxic when inhaled, but it can produce suffocation by reducing the concentration of oxygen inhaled.t is not very soluble in water. Methane is combustible, and mixtures of about 5 to 15 percent in air are explosive. Methane is not toxic when inhaled, but it can produce suffocation by reducing the concentration of oxygen inhaled.