Dibromomethane is a member of the class of bromomethanes that is methane substituted by two bromo groups. The Journal of Chemical Physics 2006 , 125 (7) , 074510. Substances may combine together poorly or very well, and it's possible to describe solutions as "partially soluble" or "mostly soluble." Methane is a colorless odorless gas. Methane is lighter than air, having a specific gravity of 0.554. The boiling point of methane is −162 °C (−259.6 °F) and the melting point is −182.5 °C (−296.5 °F). ... Solubility in water, g/100ml at 15 °C: 1.2 (moderate) ILO International Chemical Safety Cards (ICSC) 3.2.6 Density. Solubility exists on a spectrum. It burns readily in air, forming carbon dioxide and water vapour; the flame is pale, slightly luminous, and very hot. Journal of Chemical & Engineering Data 2011 , 56 (4) , 1025-1029. Solubility and miscibility describe similar phenomena, but they are not the same. It is only slightly soluble in water. In fact, at 25°C the solubility of NaI is 184 g/100 mL of water, versus only 4.2 g/100 mL of water for NaF. In pure water, the solubility of methane was found to saturate after around 150 s, while in the aqueous fructose solution, saturation was observed to occur relatively earlier at ∼100 s. The compounds NaI, NaBr, and NaCl are far more soluble in water than NaF, a substance that is used to fluoridate drinking water. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. The vapors are lighter than air. Help. New Window. It is also known as marsh gas or methyl hydride. A potential model for methane in water describing correctly the solubility of the gas and the properties of the methane hydrate. Solubility Measurement of Natural Gas in Reservoir Formation Water under (333.2 to 393.2) K and (15.0 to 43.6) MPa. Solubility and Miscibility. It is easily ignited. 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