Chemical Properties of 3-Butyn-2-one (CAS 1423-60-5)


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InChI Key
Molecular Weight1
Other Names
  • Methyl ethynyl ketone
  • 1-Butyn-3-one
  • Ketone, ethynyl methyl
  • Ethynyl methyl ketone
  • Acetylacetylene
  • Acetylethyne
  • But-3-yn-2-one
  • 3-Butyne-2-one
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Physical Properties

Property Value Unit Source
Δf 76.95 kJ/mol Joback Calculated Property
Δfgas 53.43 kJ/mol Joback Calculated Property
Δfus 10.69 kJ/mol Joback Calculated Property
Δvap 31.10 kJ/mol Joback Calculated Property
IE [10.17; 10.28] eV Show Hide
IE 10.25 eV NIST
IE 10.19 eV NIST
IE 10.28 eV NIST
IE 10.25 ± 0.05 eV NIST
IE 10.17 eV NIST
log10WS -0.57 Crippen Calculated Property
logPoct/wat 0.209 Crippen Calculated Property
McVol 60.190 ml/mol McGowan Calculated Property
Pc 5168.28 kPa Joback Calculated Property
Tboil 358.00 K NIST
Tc 526.93 K Joback Calculated Property
Tfus 231.74 K Joback Calculated Property
Vc 0.228 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [90.64; 117.61] J/mol×K [334.91; 526.93] Show Hide
Cp,gas 90.64 J/mol×K 334.91 Joback Calculated Property
Cp,gas 95.73 J/mol×K 366.91 Joback Calculated Property
Cp,gas 100.56 J/mol×K 398.92 Joback Calculated Property
Cp,gas 105.16 J/mol×K 430.92 Joback Calculated Property
Cp,gas 109.53 J/mol×K 462.92 Joback Calculated Property
Cp,gas 113.67 J/mol×K 494.93 Joback Calculated Property
Cp,gas 117.61 J/mol×K 526.93 Joback Calculated Property

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr 357.20 K 100.00 NIST

Similar Compounds

2-Pentyn-4-one. 1-Butyn-3-yl radical. Acetone. 2-Oxopropyl. Acetone-D6. Acetyl cyanide. Pent-1-yn-3-one. 1-Butyne. 1-Butyne, 3,3-dimethyl-. Methyl glyoxal. 2-Propanone, 1,1,1-trifluoro-. Pyruvyl chloride or 2-oxo-propionyl chloride. 2,3-Butanedione. 2,3-Butanedione. 1-Buten-3-yne, 2-methyl-.

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


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