1. Used as an analytical reagent, chromatographic reagent, solvent and extractant.Serves as a raw material for organic synthesis and also as a high-grade solvent.

2. Isobutanol is a raw material for organic synthesis. In pesticides, it is mainly used to synthesize isobutyronitrile, an intermediate for diazinon.

3. Raw material for organic synthesis.Used in the manufacture of petroleum additives, antioxidants, 2,6-di-tert-butyl-p-cresol, isobutyl acetate (coating solvent), plasticizers, synthetic rubber, artificial musk, fruit essences and synthetic pharmaceuticals.Also used for the purification of chemical reagents such as strontium, barium and lithium salts, and as a high-grade solvent.

4. Extraction solvent.Approved as a food flavoring agent under GB 2760-96.

5. Solvent and extractant.Used for the extraction of lithium chloride from mixtures of lithium chloride and sodium chloride or potassium chloride, and the separation of strontium bromide and barium bromide.Used for the determination of calcium, strontium, barium, sodium, potassium, lithium, silver, chlorine and phosphites.