Lithium hydroxide (molecular formula: LiOH) is a hydroxide of lithium, corrosive, white deliquant crystal at room temperature. Soluble in water, the solution is strong alkaline, slightly soluble in ethanol, there are two states of anhydrous and monohydrate.

P-methylphenylacetone is an intermediate of medicine, which can be used as an intermediate of organic synthesis and medicine, mainly used in laboratory research and development process and chemical production process.