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1,4-Dicyanobenzene
CAS: 623-26-7 | C8H4N2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
623-26-7
Molecular Formula:
C8H4N2
Molecular Mass:
128.13 g/mol
Names and Synonyms:
1,4-Dicyanobenzene
1,4-Benzenedicarbonitrile
Terephthalonitrile
1,4-Dicyanobenzene
p-Dicyanobenzene
p-Phthalodinitrile
p-Benzenedinitrile
Terephthalodinitrile
4-Cyanobenzonitrile
Terephthalic acid dinitrile
1,4-Benzodinitrile
p-Phthalonitrile
p-Cyanobenzonitrile
1,4-Bis(cyano)benzene
p-Benzenedicarbonitrile
NSC 144977
NSC 78439
Identifiers:
SMILES:
N#Cc1ccc(C#N)cc1
InChI:
InChI=1S/C8H4N2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H
Key Properties
Boiling Point
285 °C
CAS Common Chemistry
Melting Point
224 °C
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 128.13 g/mol | CAS Common Chemistry |
| 128.134 g/mol | RDKit | |
| 128.037448128 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/1,4-Dicyanobenzene | CAS Common Chemistry |
| Boiling Point | 285 °C | CAS Common Chemistry |
| Canonical SMILES | N#CC1=CC=C(C#N)C=C1 | CAS Common Chemistry |
| InChI | InChI=1S/C8H4N2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H | CAS Common Chemistry |
| InChI Key | InChIKey=BHXFKXOIODIUJO-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 224 °C | CAS Common Chemistry |
| Name | 1,4-Dicyanobenzene | CAS Common Chemistry |
| Heavy Atom Count | 10 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 47.58 Ų | RDKit |
| LogP | 1.4299600000000001 | RDKit |
| Molar Refractivity | 35.872000000000014 | RDKit |
