Calcium stearate is a carboxylate of calcium, classified as a calcium soap. It is a component of some lubricants, surfactants, as well as many foodstuffs. It is a white waxy powder. Melting point: 155 °C Formula: C36H70CaO4 Molar mass: 607.02 g/mol Density: 1.08 g/cm³ Solubility in water: 0.004 g/100 mL (15 °C) Solubility: soluble in hot pyridine; slightly soluble in oil; insoluble in alcohol, ether Appearance: white to yellowish-white powder