4-Cyano-4''-pentyl-p-terphenyl (5CT)
CAS Number 54211-46-0
Liquid Crystals, Optoelectronic Materials, Latest Products, Materials
4-Cyano-4''-pentyl-p-terphenyl (5CT), Liquid Crystal
A calamitic nematic liquid crystal with high transition temperature
Product Information | MSDS | Literature | Related Products
4-Cyano-4''-pentyl-p-terphenyl (CAS 54211-46-0), also known as 5CT, is a cyanoterphenyl analog of the well-known cyanobiphenyl liquid crystal. With the extended rigid core, this material transitions from the crystal phase to the nematic phase at ca. 130 °C and from the nematic to the isotropic phase at around 239 °C, compared with 24 °C and 35.3 °C for 5CB. The elevated nematic range allows 5CT to be used as a high-temperature nematic host or a component in liquid crystal mixtures.
5CT is a component of a room-temperature eutectic nematic liquid crystal mixture E7, which comprises 51 wt% 5CB and 16 wt% 8OCB, together with 21 wt% 7CB and 12 wt% 5CT, or 25 wt% 7CB and 8 wt% 5CT. The E7 liquid crystal mixture has been widely used in LC devices due to its large birefringence (ca. 0.22 in the visible range) and wide nematic temperature range (approximately −10°C to 60°C). Liquid crystals such as E7 have also been explored in biosensing applications, where interactions at the LC/aqueous interface with species such as phospholipids alter molecular alignment and produce a detectable optical signal.
Terphenyl Liquid Crystal
With a high transition temperature
High Clearing Point Nematic LC
Wide nematic temperature range
Simple Worldwide Shipping
Reliable delivery via tracked courier
High Purity Material
Over 98% purity for reliable research
General Information
| CAS Number | 54211-46-0 |
|---|---|
| Chemical Formula | C24H23N |
| Full Name | 4''-Pentyl-[1,1':4',1''-terphenyl]-4-carbonitrile |
| Molecular Weight | 325.45 g/mol |
| Melting Point | 128 – 130 °C |
| Synonyms | 4-Cyano-4''-n-pentyl-p-terphenyl |
| Classification or Family | Liquid crystal, Terphenylcarbonitrile, Optoelectronic materials |
Chemical Structure
Product Details
| Purity | > 98% |
|---|---|
| Appearance | White to off-white powder |
MSDS Documentation
4-Cyano-4''-pentyl-p-terphenyl (5CT) MSDS Sheet
Literature
- Molecular orientational and dipolar correlation in the liquid crystal mixture E7: a molecular dynamics simulation study at a fully atomistic level, J. Peláez et al., Phys. Chem. Chem. Phys., 9, 2968–2975 (2007); DOI: 10.1039/b614422e.
- Magnetic actuation of a thermodynamically stable colloid of ferromagnetic nanoparticles in a liquid crystal, M. Prodanov et al., Soft Matter, 12, 6601–6609 (2016); DOI: 10.1039/c6sm00906a.
- Eutectic liquid crystal mixture E7 in nanoporous alumina. Effects of confinement on the thermal and concentration fluctuations, A. Selevou et al., RSC Adv., 9, 37846–37857 (2019); DOI: 10.1039/c9ra08806g.
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