Chemical Properties of 1,2,4,5-Tetracyanobenzene (CAS 712-74-3)

1,2,4,5-Tetracyanobenzene

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InChI
InChI=1S/C10H2N4/c11-3-7-1-8(4-12)10(6-14)2-9(7)5-13/h1-2H
InChI Key
FAAXSAZENACQBT-UHFFFAOYSA-N
Formula
C10H2N4
SMILES
N#Cc1cc(C#N)c(C#N)cc1C#N
Molecular Weight1
178.15
CAS
712-74-3
Other Names
  • 1,2,4,5-Benzenetetranitrile
  • 1,2,4,5-Benzentetrakarbonitril
  • 1,2,4,5-Tetracyanobenzene
  • Benzene, 1,2,4,5-tetracyano-
  • Pyromellitic acid tetranitrile
  • Pyromellitic nitrile
  • Pyromellitic tetranitrile
  • Pyromellitonitrile
  • Pyromellitotetranitrile
  • s-Tetracyanobenzene
  • sym-Tetracyanobenzene
Sources

Physical Properties

Property Value Unit Source
EA 2.20 ± 0.22 eV NIST
Δf 649.56 kJ/mol Joback Calculated Property
Δfgas 611.91 kJ/mol Joback Calculated Property
Δfus 20.55 kJ/mol Joback Calculated Property
Δvap 84.03 kJ/mol Joback Calculated Property
logPoct/wat 1.173 Crippen Calculated Property
Pc 2520.12 kPa Joback Calculated Property
solid,1 bar 252.70 J/mol×K NIST
Tboil 878.14 K Joback Calculated Property
Tc 1136.76 K Joback Calculated Property
Tfus 526.40 K Joback Calculated Property
Vc 0.592 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 301.43 J/mol×K 878.14 Joback Calculated Property
Cp,solid 222.30 J/mol×K 298.15 NIST

Molecular Descriptors

Joback and Reid Groups
-CN 4
=C< (ring) 4
=CH- (ring) 2

Similar Compounds

Benzene-1,2,4-tricarbonitrile. 2,5-Dimethylbenzonitrile. 2,4-Dimethylbenzonitrile. 3,4-Dimethylbenzoic acid nitrile. Benzonitrile, 2,4,6-trimethyl-. Benzonitrile, 2,3-dimethyl-. Benzene, 2,4-diisocyanato-1-methyl- and benzene, 2,6-diisocyanato-1-methyl-. Phthalonitrile. 2,6-Dimethylbenzonitrile. Benzonitrile, 2-methyl-. 2,4,6-Trimethylbenzonitrile, N-oxide. 5-Methylisophthalonitrile. 1,3-Benzenedicarbonitrile. Benzonitrile, 3,5-dimethyl-. Benzonitrile, 3-methyl-.

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