1. Character: Single oblique prism or flake crystallization, pure colorless, containing and four benzene when yellow. The solid or solution has a micro-blue fluorescence. 2. Relative […]
Organic compounds, light yellow mono-oblique crystals (pure colorless), with aromatic, flammable, insoluble in water, soluble in ethanol, ether. Can be replaced by electricity, such as halogenated, […]
The structure of nitrogen atoms in amines, like nitrogen atoms in ammonia molecules, is connected with hydrogen or hydrocarbon radicals in three-SP hybrid orbits, forming a […]