Chemical Properties of Urea, tetramethyl- (CAS 632-22-4)

Urea, tetramethyl-

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InChI
InChI=1S/C5H12N2O/c1-6(2)5(8)7(3)4/h1-4H3
InChI Key
AVQQQNCBBIEMEU-UHFFFAOYSA-N
Formula
C5H12N2O
SMILES
CN(C)C(=O)N(C)C
Molecular Weight1
116.16
CAS
632-22-4
Other Names
  • ((CH3)2N)2CO
  • 1,1,3,3-Tetramethylurea
  • N,N,N',N'-Tetramethylurea
  • NSC 91488
  • TMU
  • Temur
  • Tetramethylurea
  • Tetramethyluree
  • Urea, 1,1,3,3-tetramethyl-
  • Urea, N,N,N',N'-tetramethyl-
Sources

Physical Properties

Property Value Unit Source
PAff 930.60 kJ/mol NIST
BasG 899.60 kJ/mol NIST
Δcliquid -3420.36 ± 0.81 kJ/mol NIST
Δf 83.86 kJ/mol Joback Calculated Property
Δfgas -205.60 ± 1.10 kJ/mol NIST
Δfliquid -262.20 ± 1.10 kJ/mol NIST
Δfus 16.35 kJ/mol Joback Calculated Property
Δvap 56.60 ± 0.80 kJ/mol NIST
IE 8.74 ± 0.05 eV NIST
IE 8.64 eV NIST
IE 8.67 eV NIST
logPoct/wat 0.23 Crippen Calculated Property
Pc 3722.56 kPa Joback Calculated Property
Tboil 449.70 K NIST
Tc 567.86 K Joback Calculated Property
Tfus 272.20 ± 0.10 K NIST
Tfus 272.00 ± 0.10 K NIST
Ttriple 270.48 ± 0.02 K NIST
Vc 0.36 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 195.42 J/mol×K 392.55 Joback Calculated Property
Cp,liquid 241.20 J/mol×K 320.0 NIST
ΔfusH [13.40; 14.00] kJ/mol [272.10; 272.20] Show Hide
Plot of Enthalpy of fusion at a given temperature.
ΔfusH 14.00 kJ/mol 272.1 NIST
ΔfusH 13.40 kJ/mol 272.2 NIST
ΔfusH 13.40 kJ/mol 272.2 NIST
ΔfusH 13.40 kJ/mol 272.2 NIST
ΔfusH 13.40 kJ/mol 272.2 NIST
ΔvapH 41.70 kJ/mol 385.0 NIST
ΔvapH 52.20 kJ/mol 385.0 NIST
ΔfusS 49.20 J/mol×K 272.2 NIST
ΔfusS 49.20 J/mol×K 272.2 NIST

Molecular Descriptors

Joback and Reid Groups
>N- 2
>C=O (nonring) 1
-CH3 4

Similar Compounds

Urea, trimethyl-. Urea, N,N-dimethyl-. dimethylurea. Urea, N,N'-dimethyl-. Urea, 3-(hydroxymethyl)-1,1-dimethyl-. Methanediamine, N,N,N',N'-tetramethyl-. Urea, methyl-. Methylene-bis(N,N-dimethylurea). Urea, tetraethyl-. Urea, N,N-diethyl-. Bis(hydroxymethyl)urea. 1,3-Dimethyl-2-imidazolidinone. Urea, N,N'-diethyl-. Formamide, N,N-dimethyl-. Semicarbazide, 4-methyl-.

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