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Isobutanol 99% ACS (Isobutyl Alcohol) 500ml *Professional Seller* - Product Code: GPS7825-D - Pack Size: 500ml Description Isobutanol 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.