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1,2,4,5-TETRACYANOBENZENE

1,2,4,5-TETRACYANOBENZENE Structure
CAS No.
712-74-3
Chemical Name:
1,2,4,5-TETRACYANOBENZENE
Synonyms
TCNB;BENZENE-1,2,4,5-TETRACARBONITRILE;Tetracyanobenzene;pyromelliticnitrile;1,2,4,5-BENZENETETRACARBONITRILE;PYROMELLITONITRILE;Pyromellitotetrani;s-Tetracyanobenzene;TIMTEC-BB SBB008167;Pyromellitic nitrile
CBNumber:
CB8686763
Molecular Formula:
C10H2N4
Molecular Weight:
178.15
MOL File:
712-74-3.mol
MSDS File:
SDS
Modify Date:
2023/4/23 13:52:06

1,2,4,5-TETRACYANOBENZENE Properties

Melting point 265-268 °C(lit.)
Boiling point 300.36°C (rough estimate)
Density 1.35 g/cm3
refractive index 1.5200 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility acetone: soluble25mg/mL, clear, colorless to yellow
form powder to crystal
color White to Almost white
Water Solubility Soluble in water.
BRN 1875027
Stability Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 712-74-3(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS06
Signal word  Danger
Hazard statements  H300-H311+H331
Precautionary statements  P261-P264-P280-P301+P310-P302+P352+P312-P304+P340+P311
Hazard Codes  T
Risk Statements  23/24/25
Safety Statements  36/37/39-45
RIDADR  UN 3439 6.1/PG 2
WGK Germany  3
RTECS  DB9100000
TSCA  N
HazardClass  6.1(a)
PackingGroup  II
HS Code  29269090
NFPA 704
1
4 0

1,2,4,5-TETRACYANOBENZENE price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 391980 1,2,4,5-Tetracyanobenzene 97% 712-74-3 1G ₹7380 2022-06-14 Buy
Sigma-Aldrich(India) 391980 1,2,4,5-Tetracyanobenzene 97% 712-74-3 5G ₹29400 2022-06-14 Buy
TCI Chemicals (India) T0988 1,2,4,5-Tetracyanobenzene 712-74-3 1G ₹5200 2022-05-26 Buy
TCI Chemicals (India) T0988 1,2,4,5-Tetracyanobenzene 712-74-3 5G ₹13200 2022-05-26 Buy
Product number Packaging Price Buy
391980 1G ₹7380 Buy
391980 5G ₹29400 Buy
T0988 1G ₹5200 Buy
T0988 5G ₹13200 Buy

1,2,4,5-TETRACYANOBENZENE Chemical Properties,Uses,Production

Chemical Properties

solid

Uses

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.

Purification Methods

Crystallise the tetra-nitrile from EtOH and sublime in vacuo. [Lawton & McRitchie J Org Chem 24 26 1959, Bailey et al. Tetrahedron 19 161 1963, Beilstein 9 IV 3800.]

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1,2,4,5-Benzenetetranitrile 1,2,4,5-Benzentetrakarbonitril Benzene, 1,2,4,5-tetracyano- Pyromellitic nitrile Pyromellitic tetranitrile pyromellitictetranitrile Pyromellitotetranitrile s-Tetracyanobenzene sym-Tetracyanobenzene PYROMELLITONITRILE PYROMELLITIC ACID TETRANITRILE TIMTEC-BB SBB008167 1,2,4,5-TETRACYANOBENZENE 1,2,4,5-Benzenetetracarbonitrile, Pyromellitic acid tetranitrile 1,2,4,5-Benzenetetracarbonitrile,99% 1,2,4,5-Tetracyanobenzene 97% 1,2,4,5-Tetracyanobenzene, 97% solid Pyromellitotetrani pyromelliticnitrile Tetracyanobenzene TCNB BENZENE-1,2,4,5-TETRACARBONITRILE 1,2,4,5-BENZENETETRACARBONITRILE 712-74-3 C6H2CN4 C10H2N4 Organic Building Blocks Nitrogen Compounds Cyanides/Nitriles C10 to C27 Building Blocks Phthalonitriles & Naphthalonitriles Phthalonitriles (Building Blocks for Phthalocyanines) Building Blocks C10 to C27 Chemical Synthesis Cyanides/Nitriles Nitrogen Compounds Organic Building Blocks Aromatic Nitriles Functional Materials Phthalonitriles & Naphthalonitriles Phthalonitriles (Building Blocks for Phthalocyanines)