1-Octyl-3-methylimidazolium hydrogen sulfate(CAS: 497258-85-2)

1-Octyl-3-methylimidazolium hydrogen sulfate (CAS: 497258-85-2) is a solid at room temperature with a crystalline form. It has a molecular weight of approximately 238.3 g/mol and is moderately soluble in water. This compound is characterized by its low reactivity under normal conditions but can undergo hydrolysis in basic solutions. It is generally stable under acidic conditions, making it suitable for various applications in chemistry.

1-Octyl-3-methylimidazolium hydrogen sulfate is typically synthesized by the reaction of 1-octylimidazolium bromide with sodium bisulfate in an aqueous medium. The synthesis involves the substitution of bromine by hydrogen sulfate, which is catalyzed by a base such as sodium hydroxide. The process yields a high purity product with a selectivity of over 95%, and the overall yield can reach up to 85%.

1-Octyl-3-methylimidazolium hydrogen sulfate (CAS: 497258-85-2) is utilized in various industries. It is widely used in the pharmaceuticals industry for the synthesis of organic compounds and as a solubilizing agent. In the polymer industry, it serves as an electrolyte in ionic liquids used for polymer synthesis. Additionally, it is applied in sensors and semiconductors for its conductivity and stability properties.

When handling 1-Octyl-3-methylimidazolium hydrogen sulfate (CAS: 497258-85-2), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. This compound should be stored in a closed container to prevent moisture absorption. It should be managed in a well-ventilated area to avoid inhalation of vapors. In case of a spill, it should be handled using appropriate spill kits, and the area should be ventilated. For detailed information, refer to the Safety Data Sheet (SDS) for this compound.