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Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is an organic compound with the chemical formula CH 3 Cl. One of the haloalkanes , it is a colorless, sweet-smelling, flammable gas.
On a large scale, potassium methoxide is produced by decomposing potassium amalgam with methanol, which is produced by the chloralkali-electrolysis of potassium chloride by the amalgam process. Impurities of the resulting potassium methoxide in methanol with metallic mercury can be eliminated by ultrafiltration . [ 4 ]
Methyl chloroformate hydrolyzes in water to form methanol, hydrochloric acid, and carbon dioxide. [3] This decomposition happens violently in the presence of steam, causing foaming. The compound decomposes in heat, which can liberate hydrogen chloride, phosgene, chlorine, or other toxic gases.
Sodium methoxide is prepared by treating methanol with sodium: 2 Na + 2 CH 3 OH → 2 CH 3 ONa + H 2. The reaction is so exothermic that ignition is possible. The resulting solution, which is colorless, is often used as a source of sodium methoxide, but the pure material can be isolated by evaporation followed by heating to remove residual methanol.
It is usually handled as a solution in water or methanol. The compound is colourless, although the solutions often appear yellowish. [1] Commercial samples often have a distinctive fish-like odour, presumably due to the presence of trimethylamine via hydrolysis.
Methanesulfonyl chloride (mesyl chloride) is an organosulfur compound with the formula CH 3 SO 2 Cl. Using the organic pseudoelement symbol Ms for the methanesulfonyl (or mesyl) group CH 3 SO 2 –, it is frequently abbreviated MsCl in reaction schemes or equations. It is a colourless liquid that dissolves in polar organic solvents but is ...
Potassium hypochlorite is produced by the disproportionation reaction of chlorine with a solution of potassium hydroxide: [2] Cl 2 + 2 KOH → KCl + KOCl + H 2 O. This is the traditional method, first used by Claude Louis Berthollet in 1789. [3] Another production method is electrolysis of potassium chloride solution.
Base-catalyzed carbonylation of methanol with carbon monoxide to methyl formate This process, practiced commercially by BASF among other companies gives 96% selectivity toward methyl formate. The catalyst for this process is sensitive to water, which can be present in the carbon monoxide feedstock, which is commonly derived from synthesis gas .