Isopropanol is an important chemical product and raw material, mainly used in pharmaceutical, cosmetics, plastics, spices, coatings and electronic industry as a dehydrating agent and cleaning agent. Reagents for the determination of barium, calcium, magnesium, nickel, potassium, sodium and strontium. Reference Substances for chromatographic analysis. In the PCB manufacturing industry, it is used as a cleaning agent to make chemical books and PCB holes to conduct electricity. In addition, it is used in other electronic devices, including cleaning CD cases, floppy drives, tapes, and laser heads for CD or DVD player optical disc drive. Isopropyl alcohol can also be used as a solvent in flexography, lithography, intaglio printing, and as a device cleaner. Mainly used in pharmaceutical, also used as solvent, extractant, antifreeze, etc.