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391980 Sigma-Aldrich

1,2,4,5-Tetracyanobenzene

97%

Synonym: 1,2,4,5-Benzenetetracarbonitrile, Pyromellitic acid tetranitrile

  • CAS Number 712-74-3

  • Linear Formula C6H2(CN)4

  • Molecular Weight 178.15

  •  Beilstein Registry Number 1875027

  •  MDL number MFCD00043481

  •  PubChem Substance ID 24864415

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Properties

Related Categories Building Blocks, C10 to C27, Chemical Synthesis, Cyanides/Nitriles, Nitrogen Compounds,
InChI Key   FAAXSAZENACQBT-UHFFFAOYSA-N
assay   97%
mp   265-268 °C (lit.)
solubility   acetone: soluble 25 mg/mL, clear, colorless to yellow

Description

Packaging

1, 5 g in glass bottle

Application

1,2,4,5-Tetracyanobenzene (TCB, TCNB) is suitable reagent used in the synthesis of o-3,4-dimethyltetrathiafulvalene (o-Me2TTF)-1,2,4,5-tetracyanobenzene (TCNB) 1:1 complex and radiative exciplexes of TCB in non-polar solvents.

1,2,4,5-Tetracyanobenzene (Pyromellitic acid tetranitrile, PMTN, TCB, TCNB, 1,2,4,5-benzenetetracarbonitrile ) may be used in the following studies:
• Solid-state diffusion of TCNB into 9-methylanthracene molecular crystal nanorods forming cocrystal nanorods.
• Synthesis of copper polyphthalocyanine (CuPPC) thin films, an elementoorganic semiconductor.
• Preparation of charge transfer (CT) nanocrystallites which may have a potential use in nanofluidics to observe the rotational motion of nanoobjects.
• Hydrothermal synthesis of Co2(terpy)2(btec)•H2O (terpy = 2,2′:6′,2"-terpyridine, btec = 1,2,4,5-benzenetetracarboxylate).

General description

1,2,4,5-Tetracyanobenzene (TCNB, TCB) is a tetra substituted benzene. The IR and raman spectra of TCNB and its 1:1 complex with durene has been recorded. The time-resolved linear dichroism spectroscopic study of hexamethylbenzene-1,2,4,5-tetracyanobenzene charge-transfer complex has been investigated. The influence of magnetic field on the charge-transfer fluorescence of 1,2,4,5-tetracyanobenzene-doped poly(N-vinylcarbazole) thin film has been studied.

Safety & Documentation

Safety Information

Symbol 
GHS06  GHS06
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3439 6.1 / PGII
WGK Germany 
3
RTECS 
DB9100000

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Protocols & Articles
Peer-Reviewed Papers
15

References

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