It is produced by marine algae. It has a role as a marine metabolite and an algal metabolite. 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. Why is sodium iodide so much more soluble in water? 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. Methane is a colorless odorless gas. A potential model for methane in water describing correctly the solubility of the gas and the properties of the methane hydrate. 1 shows the solubility of methane in aqueous solutions of fructose at different concentrations (0.1, 0.5, and 1.0 m) as a function of time. The Journal of Chemical Physics 2006 , 125 (7) , 074510. The boiling point of methane is −162 °C (−259.6 °F) and the melting point is −182.5 °C (−296.5 °F). Solubility exists on a spectrum. Solubility Measurement of Natural Gas in Reservoir Formation Water under (333.2 to 393.2) K and (15.0 to 43.6) MPa. It is only slightly soluble in water. The compounds NaI, NaBr, and NaCl are far more soluble in water than NaF, a substance that is used to fluoridate drinking water. Journal of Chemical & Engineering Data 2011 , 56 (4) , 1025-1029. New Window. Fig. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. Help. Methane is lighter than air, having a specific gravity of 0.554. Methane … It is easily ignited. Solubility and Miscibility. It burns readily in air, forming carbon dioxide and water vapour; the flame is pale, slightly luminous, and very hot. The vapors are lighter than air. Dibromomethane is a member of the class of bromomethanes that is methane substituted by two bromo groups. Substances may combine together poorly or very well, and it's possible to describe solutions as "partially soluble" or "mostly soluble." It is also known as marsh gas or methyl hydride. Solubility and miscibility describe similar phenomena, but they are not the same. ... Solubility in water, g/100ml at 15 °C: 1.2 (moderate) ILO International Chemical Safety Cards (ICSC) 3.2.6 Density.