Chemical Properties of 3-Butyn-2-ol (CAS 2028-63-9)


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InChI Key
Molecular Weight1
Other Names
  • 1-Butyn-3-ol
  • 1-Ethynylethanol
  • 1-Methyl-2-propynyl alcohol
  • 1-Methylpropargyl alcohol
  • 3-Butyne-2-ol
  • 3-Hydroxy-1-butyne
  • HC«equiv»CCH(CH3)OH
  • HC«equiv»CCH(CH3)OH
  • Methylethynylcarbinol
  • but-3-yn-2-ol
  • «alpha»-Methylpropargyl alcohol
  • «alpha»-Methylpropargyl alcohol
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Physical Properties

Property Value Unit Source
Δf 66.61 kJ/mol Joback Calculated Property
Δfgas 8.50 kJ/mol Joback Calculated Property
Δfus 9.66 kJ/mol Joback Calculated Property
Δvap 40.65 kJ/mol Joback Calculated Property
IE [10.15; 10.41] eV Show Hide
IE 10.15 eV NIST
IE 10.41 eV NIST
log10WS -0.67 Crippen Calculated Property
logPoct/wat 4.000e-04 Crippen Calculated Property
McVol 64.490 ml/mol McGowan Calculated Property
Pc 5454.60 kPa Joback Calculated Property
Inp [608.00; 608.00]   Show Hide
Inp 608.00 NIST
Inp 608.00 NIST
Tboil 381.00 K NIST
Tc 550.21 K Joback Calculated Property
Tfus 227.63 K Joback Calculated Property
Vc 0.234 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [111.88; 141.18] J/mol×K [372.78; 550.21] Show Hide
Cp,gas 111.88 J/mol×K 372.78 Joback Calculated Property
Cp,gas 117.36 J/mol×K 402.35 Joback Calculated Property
Cp,gas 122.60 J/mol×K 431.92 Joback Calculated Property
Cp,gas 127.58 J/mol×K 461.49 Joback Calculated Property
Cp,gas 132.34 J/mol×K 491.06 Joback Calculated Property
Cp,gas 136.86 J/mol×K 520.64 Joback Calculated Property
Cp,gas 141.18 J/mol×K 550.21 Joback Calculated Property


Property Value Unit Temperature (K) Source
Pvap [1.36; 205.63] kPa [292.15; 402.15] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.65003e+01
Coefficient B-3.96776e+03
Coefficient C-4.70680e+01
Temperature range, min.292.15
Temperature range, max.402.15
Pvap 1.36 kPa 292.15 Calculated Property
Pvap 2.94 kPa 304.37 Calculated Property
Pvap 5.92 kPa 316.59 Calculated Property
Pvap 11.22 kPa 328.82 Calculated Property
Pvap 20.15 kPa 341.04 Calculated Property
Pvap 34.53 kPa 353.26 Calculated Property
Pvap 56.79 kPa 365.48 Calculated Property
Pvap 90.01 kPa 377.71 Calculated Property
Pvap 138.06 kPa 389.93 Calculated Property
Pvap 205.63 kPa 402.15 Calculated Property

Similar Compounds

3-Pentyn-2-ol. 3-Hexyne-2,5-diol. 3-Hexyn-2-ol. Isopropyl Alcohol. Propanenitrile, 2-hydroxy-. 1-Pentyn-3-ol. 3-Butyn-1-ol. 3-Butyn-2-ol, 2-methyl-. 5-Methyl-5-hexen-3-yn-2-ol. 1,1,1-Trifluoro-2-propanol. 2-Propanol, 1-bromo-. 1-Butyn-3-yl radical. 2-Propanol, 1,1,1-trichloro-. 3-Pentyn-1-ol. 4-Pentyn-2-ol.

Find more compounds similar to 3-Butyn-2-ol.


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