Methyl nicotinateMethyl nicotinate is a chemical compound with the molecular formula. It is the methyl ester of nicotinic acid.PropertiesMethyl nicotinate is a white crystalline solid with a melting point of 39 °C. It is soluble in water, ethanol, and benzene.UsesMethyl nicotinate is a rubefacient and is used in some over-the-counter topical medical sprays, such as Ralgex, for relief of muscle and joint pains.