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328510

Sigma-Aldrich

4′-Pentyl-4-biphenylcarbonitrile

liquid crystal (nematic), 98%

Synonym(s):
4-Cyano-4-pentylbiphenyl, 4-Pentyl-4-cyanobiphenyl, 5CB
Linear Formula:
CH3(CH2)4C6H4C6H4CN
CAS Number:
Molecular Weight:
249.35
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

98%

form

liquid crystal (nematic)

refractive index

n20/D 1.532 (lit.)

bp

140-150 °C/0.5 mmHg (lit.)

density

1.008 g/mL at 25 °C (lit.)

SMILES string

CCCCCc1ccc(cc1)-c2ccc(cc2)C#N

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

InChI key

HHPCNRKYVYWYAU-UHFFFAOYSA-N

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This Item
330817374784338656
assay

98%

assay

98%

assay

97%

assay

96%

form

liquid crystal (nematic)

form

liquid crystal

form

liquid crystal

form

liquid crystal (nematic)

refractive index

n20/D 1.532 (lit.)

refractive index

-

refractive index

-

refractive index

-

bp

140-150 °C/0.5 mmHg (lit.)

bp

-

bp

-

bp

-

density

1.008 g/mL at 25 °C (lit.)

density

-

density

-

density

-

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

-

General description

4′-Pentyl-4-biphenylcarbonitrile (5CB) is a nematic liquid crystal. 5CB undergoes phase transition from crystalline to nematic then to isotropic state at 18oC and 35oC respectively. It may be produced by modifying biphenyl.2

Application

Attaching 5CB to an aqueous-liquid crystal interface by redox active surfactant has been investigated.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Skin Sens. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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