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338672

4′-(Octyloxy)-4-biphenylcarbonitrile

liquid crystal (nematic)

Synonim(y):

4′-(n -Octyloxy)-4-cyanobiphenyl, 4′-(Octyloxy)-4-biphenylcarbonitrile, 4′-(Octyloxy)-4-cyanobiphenyl, 4′-(Octyloxy)[1,1′-biphenyl]-4-carbonitrile, 4′-Octyloxy-1,1′-biphenyl-4-carbonitrile, 4-(4-Octyloxyphenyl)benzonitrile, 4-(Octyloxy)-4′-cyanobiphenyl, 4-Cyano-4′-(n -octyloxy)biphenyl, 4-Cyano-4′-(octyloxy)-1,1′-biphenyl, 4-Cyano-4′-(octyloxy)biphenyl, 4-Cyano-4′-n -octyloxy-1,1′-biphenyl, p -(Octyloxy)-p ′-cyanobiphenyl, p -Cyano-p ′-(octyloxy)biphenyl

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Informacje o tej pozycji

Wzór liniowy:
CH3(CH2)7OC6H4C6H4CN
Numer CAS:
52364-73-5
Masa cząsteczkowa:
307.43
NACRES:
NA.23
PubChem Substance ID:
24860561
UNSPSC Code:
12352103
EC Number:
257-878-5
MDL number:
MFCD00075145

form

liquid crystal (nematic)

mp

51-77 °C (lit.)

SMILES string

CCCCCCCCOc1ccc(cc1)-c2ccc(cc2)C#N

InChI

1S/C21H25NO/c1-2-3-4-5-6-7-16-23-21-14-12-20(13-15-21)19-10-8-18(17-22)9-11-19/h8-15H,2-7,16H2,1H3

InChI key

GPGGNNIMKOVSAG-UHFFFAOYSA-N

General description

4′-octyl-4- biphenylcarbonitrile (8CB) is a low molar mass liquid crystal (LCs), which shows different liquid crystalline phases depending on temperature conditions. Under normal temperature conditions 8CB exists only as bulk smectic-A phase. LCs are responsive to minor changes in temperature, shear, electric (or magnetic) fields, and the structure of solid surfaces with which they are in contact.

Application

8CB may be used in the preparation of asymmetrical zinc phthalocyanine (aZnPc)-functional photocurable copolymer.
Monolayer films of the LCs deposited onto highly ordered pyrolytic graphite, these self-assembled films display a wide variety of structural forms.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.
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Kody zagrożeń

H413

Ostrzeżenia

P273 - P501

Hazard Classifications

Aquatic Chronic 4

Klasa składowania

11 - Combustible Solids

Co się dzieje?

WGK 3

Temperatura zapłonu (°F)

235.4 °F

Temperatura zapłonu (°C)

113 °C

PPE (środki ochrony indywidualnej)

dust mask type N95 (US), Eyeshields, Gloves

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Certyfikaty analizy (CoA)

Lot/Batch Number

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Questions

  1. Give the phase transition temperatures and mention the different phases of liquid crystalline compound 338672 4'-(octyloxy)-4-biphenyl carbonitrile

    1 answer

    1. The phase transition temperatures for this compound have not been determined. See the link below to the PubChem file for this material. There are a number of references and physical properties listed that may be of interest:
      https://pubchem.ncbi.nlm.nih.gov/compound/104173

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