Solubility in Water TABLE 10-2 Water Solu- bility of Alcohols (at 25C) Solubility Alcohol in Water CH3一CH2一CH2一CH hydrophilic region methyl miscible ethyl miscible hydrophobic region n-propyl miscible 1-butyl miscible isobutyl 10.0% n-butyl 9.1% n-pentyl 2.7% cyclohexyl 3.6% Solubility decreases as the size n-hexyl 0.6% phenol 9.3% of the alkyl group increases. hexane-1,6-diol miscible => Chapter 10 16
Chapter 10 16 Solubility in Water Solubility decreases as the size of the alkyl group increases. =>
Methanol ·Vood alcohol'" Industrial production from synthesis gas Common industrial solvent Fuel at Indianapolis 500 >Fire can be extinguished with water >High octane rating >Low emissions >But,lower energy content >Invisible fl酈ame => Chapter 10 17
Chapter 10 17 Methanol • “Wood alcohol” • Industrial production from synthesis gas • Common industrial solvent • Fuel at Indianapolis 500 ➢Fire can be extinguished with water ➢High octane rating ➢Low emissions ➢But, lower energy content ➢Invisible flame =>