Isobutanol
Isobutanol (IUPAC nomenclature: 2-methylpropan-1-ol) is an organic compound with the formula (CH3)2CHCH2OH. This colorless, flammable liquid with a characteristic smell is mainly used as a solvent. Its isomers include n-butanol, 2-butanol, and tert-butanol, all of which are important industrially.
Main use:
 2-Methyl-1-propanol / Isobutanol Mainly used for the production of oil additives, antioxidants, isobutyrate, isobutyl acetate, isobutyrate Isobutyl and other organic products, can also be used for medicine, pesticide and food industry.  
PHYSICAL PROPERTIES
Boiling point: 108°C
Melting point: -108°C
Relative density (water = 1): 0.80
Solubility in water, g/100ml at 20°C: 8.7
Vapour pressure, kPa at 20°C: 1.2
Relative vapour density (air = 1): 2.55
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.02
Flash point: 28°C c.c.
Auto-ignition temperature: 415°C
Explosive limits, vol% in air: 1.7-10.9
Octanol/water partition coefficient as log Pow: 0.8