Ethanol

CAS RN: 64-17-5

Other Properties

One volume of ethanol plus one volume of water results in only 1.92 volumes of mixture. Pure water azeotrope is 95% by weight ethanol.
Forms binary azeotropes with tert-amyl ethyl ether, benzene, 1-bromobutane, 2-bromobutane, cis-1-bromo-1-butene, trans-1-bromo-1-butene, cis-2-bromo-2-butene, trans-2-bromo-2-butene, 2-bromo-1-butene, 1-bromo-3-methylbutane, 1-bromo-1-methylpropane, 2-bromo-2-methylpropane, 1-bromopropane, 2-bromopropane, 2-bromopropane, trans-1-bromopropene, cis-1-bromopropene, tert-butyl ethyl ether, carbon disulfide, carbon tetrachloride, 1-chlorobutane, 2-chlorobutane, cis-1-chloro-1-butene, trans-1-chloro-1-butene, 2-chloro-1-butene, cis-2-chloro-2-butene, chloroform, 1-chloro-3-methylbutane, 1-chloro-2-methylpropane, 1-chloropropane, 2-chloropane, trans-1-chloropropene, 3-chloropropene, 1,3-cyclohexadiene, cyclohexane, cyclohexane, cyclopentane, 1,1-dichloropropane, 2,2-dichloropropane, 2,5-dimethylhexane, diethoxymethane, ethyl acetate, ethyl acrylate, ethyl propionate, ethyl propyl ether, ethyl sulfide, fluorobenzene, n-heptane, n-hexane, 2-iodobutane, 1-iodo-2-methylpropane, 1-iodopropane, 2-iodopropane, 3-iodopropene, isobutyl formate, isoprene, isopropyl acetate, methyl acetate, methyl acrylate, methyl borate, 2-methylbutane, methyl butyrate, methyl carbonate, methylcyclopentene, methylcyclopentene, methyl ethyl ketone, methyl propionate, octane, pentane, 2-pentanone, perchloroethylene, propanediol, propyl acetate, propyl ether, thiophene, toluene, trichloroethylene
Forms ternary azeotropes with water, acetal; water, benzene; water, bromodichlormethane; water, 1-bromo-2-methylpropane; water, cis-1-bromopropane; water, trans-bromopropane; water, 1-bromopropane; water, 2-bromopropane; water, carbon disulfide; water, chloroform; water, 1-chloro-2-methylpropane; water, cyclohexene; water, 1,2-dichloroethane; water, cis-1,2-dichloroethylene; water, trans-1,2-dichloroethylene; water, dimethoxymethane; water, ethyl acetate; water, ethyl chloroacetate; water, trichloroethylene; water, triethylamine
Maximum vapor concentration: 6.58% at 25 deg C. Equivalences: 1 mg/L = 532 ppm; 1 ppm = 1.88 mg/cu m at 25 deg C and 760 mm Hg
Ratio of Specific heats of vapor: 1.128; Heat of solution: -55 cal/g = -2.3X10+5 J/kg = -99 btu/Lb; Reid vapor pressure: 2.3 psia
Specific heat: 0.618 cal/g at 23 deg C
Heat of Formation: -277.6 kJ/mol (liquid); -234.8 kJ/mol (gas) at 25 deg C
Heat of Fusion: 4.931 kJ/mol
Solidifies below -130 deg C. Absorbs water rapidly
Heat capacity: 2.449 kJ/kg-K (liquid); 1.444 kJ/kg-K (gas)
Volatile
Heat of melting: 1.198 kcal/mole; heat of sublimation: 10.11 kcal/mole at 298 K; specific heat: 19.36 cal/K.mol at 400 K
Observed and estimated solubility of naphthalene in ethanol at 40 deg C: 0.073 mole fraction (observed) & 0.054 mole fraction (estimated)
Observed and estimated solubility of anthracene in ethanol at 20 deg C: 0.0005 mole fraction (observed) & 0.0004 mole fraction (estimated)
Observed and estimated solubility of phenanthrene in ethanol at 20 deg C: 0.0123 mole fraction (observed) & 0.0102 mole fraction (estimated)
Electrical conductivity: 1.35X10-9/ohm cm at 25 deg C; heat of solution: 2.54 kcal/mole solute in water at 13 deg C; latent heat of fusion: 24.9 cal/g; specific tension: 22.1 dynes/cm at 25 deg C; wt/gal: 6.61 at 20 deg C
Saturated concentration in air: 105 g/cu m at 20 deg C; 182 g/cu m at 30 deg C
Diffusion coefficient: 0.034 sq m/hr (calculated) and 0.037 sq m/hr (experimental) in air at 0 deg C and 1 atm
Magnetic susceptibility: 33.6X10-6 cu cm/mol
VP: -73 deg C at 1 Pa; -56 deg C at 10 Pa; -34 deg C at 100 Pa; -7 deg C at 1 kPa (all extrapolated); 29.2 deg C at 10 kPa; 78.0 deg C at 100 kPa
Henry's Law constant = 5X10-6 atm-cu m/mol at 25 deg C
Hydroxyl radical reaction rate constant = 3.27X10-12 cu cm/molec-sec at 25 deg C
Find more information on this substance at: PubChem, PubMed