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4-Cyano-4'-Pentylbiphenyl

CAS: 40817-08-1 | C18H19N

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 40817-08-1
Molecular Formula: C18H19N
Molecular Mass: 249.36 g/mol

Names and Synonyms:

4-Cyano-4'-Pentylbiphenyl
[1,1′-Biphenyl]-4-carbonitrile, 4′-pentyl-
4′-Pentyl[1,1′-biphenyl]-4-carbonitrile
4′-n-Pentyl-4-biphenylcarbonitrile
4-Cyano-4′-pentylbiphenyl
Pentyl cyanobiphenyl
p′-Cyano-p-pentylbiphenyl
4′-n-Pentyl-4-cyanobiphenyl
4,4′-n-Pentylcyanobiphenyl
4′-Pentyl-4-biphenylcarbonitrile
4′-Amyl-4-cyanobiphenyl
4-Pentyl-4′-cyanobiphenyl
p-Pentyl-p′-cyanobiphenyl
4-Cyano-4′-n-pentylbiphenyl
4-Amyl-4′-cyanobiphenyl
5CB
p-n-Amylbenzylidene-p′-cyanoaniline
p-Cyano-p′-pentylbiphenyl
4-n-Pentyl-4′-cyanobiphenyl
4-n-Amyl-4′-cyanobiphenyl
p-n-Pentyl-p′-cyanobiphenyl
p-Amyl-p′-cyanobiphenyl
CPB
CB 5
K 15 (liquid crystal)
K 15
5BF
4′-Cyano-4-pentylbiphenyl
PCB (liquid crystal)
4-Cyano-4′-pentyl-1,1′-biphenyl
4-Cyano-4′-pentyldiphenyl
4-Cyano-4′-n-pentyldiphenyl
BDH-K 15
5TsB
LC 5CB
CB 5 (liquid crystal)
4′-Pentyl-4-cyanobiphenyl
4-Cyano-4′-n-pentyl-1,1′-biphenyl
C 1550
5-BB-C
5CB (liquid crystal)

Identifiers:

SMILES:
CCCCCc1ccc(-c2ccc(C#N)cc2)cc1
InChI:
InChI=1S/C18H19N/c1-2-3-4-5-15-6-10-17(11-7-15)18-12-8-16(14-19)9-13-18/h6-13H,2-5H2,1H3

Key Properties

Boiling Point
178-182 °C @ Press: 2 Torr CAS Common Chemistry
Melting Point
24 °C CAS Common Chemistry
Density
1.01 g/cm³ 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.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 249.36 g/mol CAS Common Chemistry
249.357 g/mol RDKit
249.151749608 g/mol RDKit
Density 1.01 g/cm³ CAS Common Chemistry
1.0065 g/cm3 CAS Common Chemistry
Wikipedia Url https://en.wikipedia.org/wiki/4-Cyano-4%27-pentylbiphenyl CAS Common Chemistry
Boiling Point 178-182 °C @ Press: 2 Torr CAS Common Chemistry
Canonical SMILES N#CC=1C=CC(=CC1)C2=CC=C(C=C2)CCCCC CAS Common Chemistry
InChI InChI=1S/C18H19N/c1-2-3-4-5-15-6-10-17(11-7-15)18-12-8-16(14-19)9-13-18/h6-13H,2-5H2,1H3 CAS Common Chemistry
InChI Key InChIKey=HHPCNRKYVYWYAU-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 24 °C CAS Common Chemistry
Name 4-Cyano-4′-pentylbiphenyl CAS Common Chemistry
4-Cyano-4'-pentylbiphenyl CAS Common Chemistry
Heavy Atom Count 19 RDKit
Hydrogen Bond Acceptors 1 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 5 RDKit
Aromatic Ring Count 2 RDKit
Topological Polar Surface Area 23.79 Ų RDKit
LogP 4.9579800000000045 RDKit
Molar Refractivity 79.82200000000005 RDKit

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