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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/38764.
338648
4′-Hexyl-4-biphenylcarbonitrile
liquid crystal (nematic), 98%
Sinonimo/i:
4′-n -Hexyl-4-cyanobiphenyl, 4′-Hexyl-4-biphenylcarbonitrile, 4′-Hexyl-4-cyanobiphenyl, 4′-Hexyl[1,1′-biphenyl]-4-carbonitrile, 4-Cyano-4′-n -hexylbiphenyl, 4-Cyano-4′-hexyl-1,1′-biphenyl, 4-Cyano-4′-hexylbiphenyl, 4-Hexyl-4′-cyanobiphenyl, 4-Hexyl-4′-cyanodiphenyl, p -Hexyl-p ′-cyanobiphenyl
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About This Item
Formula condensata:
CH3(CH2)5C6H4C6H4CN
Numero CAS:
Peso molecolare:
263.38
Numero CE:
Numero MDL:
Codice UNSPSC:
12352103
ID PubChem:
NACRES:
NA.23
Prodotti consigliati
Saggio
98%
Stato
liquid crystal (nematic)
Stringa SMILE
CCCCCCc1ccc(cc1)-c2ccc(cc2)C#N
InChI
1S/C19H21N/c1-2-3-4-5-6-16-7-11-18(12-8-16)19-13-9-17(15-20)10-14-19/h7-14H,2-6H2,1H3
VADSDVGLFDVIMG-UHFFFAOYSA-N
Descrizione generale
4′-Hexyl-4-biphenylcarbonitrile belongs to the class of low molecular weight liquid crystals (LCs). Optical properties of LCs can be controlled thermally. It can be rendered opaque to transparent state by thermal switching. This effect appears on account of birefringence feature of LCs. Low molecular weight LCs show high, and strongly dependence on temperature as well as possesses higher solubility in polymer matrices. It also exhibits a strong dipole moment.[1]
Applicazioni
- Used in thermoresponsive meso/nanostructured PS-b-PEO block copolymer-dispersed liquid crystal.[1]
- 4′-hexyl-4-biphenylcarbonitrile, 4′-octyloxy-4-biphenylcarbonitrile and their composite liquid crystals were studied for dielectric properties.[2]
- thermo- and electro optical devices (e.g. optical shutters, smart windows, optical sensors,memories and flexible display devices),
- n phase array optics (e.g. as switchable birefringent phase shifters).[1]
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Aquatic Chronic 4
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Dispositivi di protezione individuale
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Thermoresponsive meso/nanostructured thermosetting materials based on PS-b-PEO block copolymer-dispersed liquid crystal: Curing behavior and morphological variation.
Tercjak A, et al.
Acta Materialia, 56(18), 5112-5122 (2008)
Conductance and Dielectric Anisotropy Properties of 4'-Hexyl-4-biphenylcarbonitrile and 4'-Octyloxy-4-biphenylcarbonitrile Liquid Crystals and Their Composite.
Ozgan S, et al.
Asian Journal of Research in Chemistry, 23(7), 3247-3251 (2011)
Hiroshi Kakiuchida et al.
ACS applied materials & interfaces, 11(21), 19404-19412 (2019-05-08)
A simple nonuniform irradiation method for photopolymerization-induced phase separation (PPIPS) was developed to produce unconventional mesoscale domain structures composed of liquid crystal (LC) and reactive mesogen (RM) phases. The LC/RM phase formations and their molecular orientation ordering through PPIPS were
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Give the phase transition temperatures & name the different phases of liquid crystalline compound 338648 4'-Hexyl-4-biphenyl carbonitrile.
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