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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338672
4′-(Octyloxy)-4-biphenylcarbonitril
liquid crystal (nematic)
Synonym(e):
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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Über diesen Artikel
Lineare Formel:
CH3(CH2)7OC6H4C6H4CN
CAS-Nummer:
Molekulargewicht:
307.43
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
EC Number:
257-878-5
MDL number:
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.
Gefahrencodes
Sicherheitshinweise
Hazard Classifications
Aquatic Chronic 4
Lagerklasse
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
235.4 °F
Flammpunkt (°C)
113 °C
PSA (Persönliche Schutzausrüstung)
dust mask type N95 (US), Eyeshields, Gloves
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Give the phase transition temperatures and mention the different phases of liquid crystalline compound 338672 4'-(octyloxy)-4-biphenyl carbonitrile
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