Lithium tert-butoxide Chemical Properties Boiling point: 68-70 °C Density: 0.89 g/mL at 20 °C Fp: −2 °F Storage temp: Flammables area Solubility: Soluble in toluene, hexane, tetrahydrofuran and methyl tert-butyl ether. Form: Liquid Color: Brown Specific Gravity: 0.89 Sensitive: Moisture Sensitive