physical properties value appearance colorless liquid melting point -17.5°c boiling point 225°c density 0.97 g/cm³（20°c） refractive index 1.486 (20°c) solubility easily soluble in water, alcohol, ether and other polar solvents, slightly soluble in non-polar solvents 3. chemical properties basicity: tmg is a strong base, which is stronger than commonly used organic bases such as triethylamine...