Chemical Properties of Urea, methyl- (CAS 598-50-5)

Urea, methyl-

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InChI
InChI=1S/C2H6N2O/c1-4-2(3)5/h1H3,(H3,3,4,5)
InChI Key
XGEGHDBEHXKFPX-UHFFFAOYSA-N
Formula
C2H6N2O
SMILES
CNC(N)=O
Molecular Weight1
74.08
CAS
598-50-5
Other Names
  • 1-Methylurea
  • CH3NHCONH2
  • Methylmocovina
  • Methylurea
  • Monomethylurea
  • N-Methylurea
  • methyl carbamide
  • urea, monomethyl-

Physical Properties

Property Value Unit Source
Δcsolid [-1316.80; -1311.74] kJ/mol Show Hide
Δcsolid -1311.74 ± 0.69 kJ/mol NIST
Δcsolid -1316.80 ± 1.40 kJ/mol NIST
Δf -7.12 kJ/mol Joback Calculated Property
Δfgas [-235.68; -233.50] kJ/mol Show Hide
Δfgas -235.68 ± 0.85 kJ/mol NIST
Δfgas -233.50 ± 1.00 kJ/mol NIST
Δfsolid [-332.78; -327.80] kJ/mol Show Hide
Δfsolid -332.78 ± 0.75 kJ/mol NIST
Δfsolid -327.80 ± 1.40 kJ/mol NIST
Δfus 12.74 kJ/mol Measure...
Δsub [95.50; 97.10] kJ/mol Show Hide
Δsub 95.50 ± 0.50 kJ/mol NIST
Δsub 97.10 ± 0.40 kJ/mol NIST
Δsub 97.10 ± 0.40 kJ/mol NIST
Δvap 43.87 kJ/mol Joback Calculated Property
IE [9.66; 9.73] eV Show Hide
IE 9.73 ± 0.05 eV NIST
IE 9.66 eV NIST
log10WS 1.13 Aq. Sol...
logPoct/wat -0.715 Crippen Calculated Property
McVol 60.570 ml/mol McGowan Calculated Property
Pc 6132.23 kPa Joback Calculated Property
solid,1 bar 138.02 J/mol×K NIST
Tboil 421.73 K Joback Calculated Property
Tc 624.80 K Joback Calculated Property
Tfus [373.80; 375.30] K Show Hide
Tfus 373.80 ± 0.50 K NIST
Tfus 375.30 ± 0.10 K NIST
Ttriple [368.15; 378.00] K Show Hide
Ttriple 368.15 K Measure...
Ttriple 375.00 ± 0.20 K NIST
Ttriple 378.00 ± 0.00 K NIST
Vc 0.217 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [115.61; 147.92] J/mol×K [421.73; 624.80] Show Hide
Cp,gas 115.61 J/mol×K 421.73 Joback Calculated Property
Cp,gas 121.68 J/mol×K 455.58 Joback Calculated Property
Cp,gas 127.47 J/mol×K 489.42 Joback Calculated Property
Cp,gas 132.99 J/mol×K 523.27 Joback Calculated Property
Cp,gas 138.23 J/mol×K 557.11 Joback Calculated Property
Cp,gas 143.20 J/mol×K 590.96 Joback Calculated Property
Cp,gas 147.92 J/mol×K 624.80 Joback Calculated Property
Cp,solid 114.74 J/mol×K 298.15 NIST
ΔfusH [12.50; 16.60] kJ/mol [372.00; 378.10] Show Hide
ΔfusH 12.50 kJ/mol 372.00 NIST
ΔfusH 15.75 kJ/mol 373.80 NIST
ΔfusH 16.60 kJ/mol 375.00 NIST
ΔfusH 14.06 kJ/mol 378.10 NIST
ΔsubH [87.30; 99.30] kJ/mol [337.00; 355.00] Show Hide
ΔsubH 99.30 ± 0.70 kJ/mol 337.00 NIST
ΔsubH 94.90 ± 0.60 kJ/mol 337.00 NIST
ΔsubH 94.38 ± 0.85 kJ/mol 343.00 NIST
ΔsubH 94.40 ± 0.84 kJ/mol 343.00 NIST
ΔsubH 95.73 kJ/mol 343.00 NIST
ΔsubH 96.80 ± 1.20 kJ/mol 346.50 NIST
ΔsubH 96.90 ± 1.20 kJ/mol 346.50 NIST
ΔsubH 87.30 kJ/mol 348.00 NIST
ΔsubH 94.40 ± 0.80 kJ/mol 350.00 NIST
ΔsubH 93.30 ± 1.20 kJ/mol 355.00 NIST
Psub [4.00e-04; 8.15e-03] kPa [333.10; 365.70] Show Hide
Psub 4.00e-04 kPa 333.10 Measure...
Psub 6.40e-04 kPa 338.10 Measure...
Psub 1.00e-03 kPa 342.70 Measure...
Psub 1.40e-03 kPa 346.10 Measure...
Psub 1.92e-03 kPa 349.20 Measure...
Psub 2.52e-03 kPa 352.20 Measure...
Psub 3.56e-03 kPa 356.20 Measure...
Psub 4.74e-03 kPa 359.60 Measure...
Psub 6.12e-03 kPa 362.70 Measure...
Psub 8.03e-03 kPa 365.70 Measure...
Psub 8.15e-03 kPa 365.70 Measure...
ΔfusS 42.10 J/mol×K 373.80 NIST

Similar Compounds

Urea, N,N'-dimethyl-. dimethylurea. Urea, N,N-dimethyl-. Thiourea, methyl-. 1,5-Dimethylbiuret. Urea, trimethyl-. Semicarbazide, 4-methyl-. Urea, ethyl-. Guanidine, methyl-. Urea, N-methyl-N-nitroso-. Imidodicarbonic diamide. Formamide, N-methyl-. 1-Acetyl-3-methylurea. Thiourea, N,N'-dimethyl-. 1,3-Bis(hydroxymethyl)urea.

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