Category: 86776-52-5

Computed Properties of C18H16FNO2On May 15, 2016 ,《An integrated nematic liquid crystal in-fiber modulator derivates from capillary optical fiber》 appeared in Optics Communications. The author of the article were Guo, Xiaohui; Yang, Xinghua; Li, Song; Liu, Zhihai; Hu, Minggang; Qu, Bin; Yuan, Libo. The article conveys some information:

A novel liquid crystal integrated modulation-depth-adjustable in-fiber modulator is proposed. The liquid crystal is encapsulated in a specially designed capillary optical fiber with tubular structure. The exptl. results show that the liquid crystal under the elec. field can influence the light intensity in the tubular core of the fiber. The light at 632.8 nm in the circular waveguide can be modulated by only 2.71×10-2 nL of the liquid crystals under elec. field. The wide range of modulation-depth from 23% to 50% can be obtained by adjusting the strength of the external elec. field. In addition, the modulator shows good stability and repeatability. This work has great potentials in integrated in-fiber optical devices such as tunable modulators, optical switches and elec. field sensors. In the experimental materials used by the author, we found 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Computed Properties of C18H16FNO2)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Computed Properties of C18H16FNO2

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The author of 《Molecular dynamics of 4-cyano-3-fluorophenyl 4-butylbenzoate (4CFPB) glass-forming liquid crystal in unidirectional silicon nanopores》 were Rozwadowski, Tomasz; Massalska-Arodz, Maria; Krawczyk, Jan; Juszynska-Galazka, Ewa. And the article was published in Liquid Crystals in 2014. Application of 86776-52-5 The author mentioned the following in the article:

Complex dynamics of 4-cyano-3-fluorophenyl 4-butylbenzoate (4CFPB) in cylindrical non-intersecting nanopores, mean diameters 6 nm and 8 nm was studied by broadband dielec. spectroscopy. For relaxation processes ascribed to the flip-flop, reptation-like and collective motions, the short- and long-range time correlations were estimated and discussed. Size effect and differences in ordering of mols. in pores during cooling and heating runs were found. On cooling, vitrification occurred in pores, similarly as in bulk, while on heating two-step ordering of mols. along pore walls was evidenced by subsequent diminishing of ε”max(T). Explanation based on data concerning solid state polymorphism of 4CFPB in bulk is given. The experimental part of the paper was very detailed, including the reaction process of 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Application of 86776-52-5)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Application of 86776-52-5

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In 2020,Liquid Crystals included an article by Moura Ramos, Joaquim J.; Diogo, Herminio P.. Recommanded Product: 4-Cyano-3-fluorophenyl 4-butylbenzoate. The article was titled 《Phase behavior and slow molecular dynamics in the glassy state and in the glass transformation of a nematic liquid crystal: 4CFPB》. The information in the text is summarized as follows:

The mol. mobility in 4-cyano-3-fluorophenyl 4-butylbenzoate (4CFPB), a nematic liquid crystal, was studied by differential scanning calorimetry (DSC) and thermally stimulated depolarization currents (TSDC). By TSDC a complex behavior was observed in which the main relaxation, with a wide distribution of activation energies, coalesces at high temperature with a poorly distributed mobility; this observation is in line with what was found by dielec. spectroscopy where a ‘double relaxation’ was observed The step signal of the positional glass transition in DSC is a single and clean signal, which shows no evidence of the complexity revealed by the dielec. techniques; this signal seems to correspond to the usual main relaxation. The dynamic fragility values obtained by DSC and by TSDC indicate that 4CFPB is a moderately fragile glass former, in reasonable agreement with the values obtained by dielec. spectroscopy. Among the secondary relaxations in 4CFPB there are modes sensitive to phys. aging, which makes them candidates for Johari-Goldstein’s relaxation status. It is emphasized, however, that this sensitivity to aging may not be a sufficient criterion for the attribution of this quality. In the experimental materials used by the author, we found 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Recommanded Product: 4-Cyano-3-fluorophenyl 4-butylbenzoate)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Recommanded Product: 4-Cyano-3-fluorophenyl 4-butylbenzoate

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In 2012,Dyes and Pigments included an article by Ghanadzadeh Gilani, A.; Moghadam, M.; Zakerhamidi, M. S.; Moradi, E.. Electric Literature of C18H16FNO2. The article was titled 《Solvatochromism, tautomerism and dichroism of some azoquinoline dyes in liquids and liquid crystals》. The information in the text is summarized as follows:

Absorption and emission spectra of three hetarylazoquinoline compounds with different substituents were examined in liquids and liquid crystalline solvents for the first time. The spectral features of the hetarylazoquinoline dyes were explained according to azo/hydrazone tautomerism in conjunction with the solvatochromic characteristic of the preferred tautomer. The nature and extent of solute-solvent interactions were described using Kamlet-Taft and Katritzky multiparameter polarity scales. Solvatochromic azo/hydrazone tautomerism depend on multiple solute-solvent interactions, in particular on specific interactions and the solvent ability to transport the hydrogen atom through the media. In addition, anisotropic hosts prevent shift of the tautomeric equilibrium toward the hydrazone form. In the part of experimental materials, we found many familiar compounds, such as 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Electric Literature of C18H16FNO2)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Electric Literature of C18H16FNO2

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Reference of 4-Cyano-3-fluorophenyl 4-butylbenzoateOn September 26, 1984 ,《The synthesis and transition temperatures of benzoate ester derivatives of 2-fluoro-4-hydroxy- and 3-fluoro-4-hydroxybenzonitriles》 was published in Helvetica Chimica Acta. The article was written by Kelly, Stephen M.. The article contains the following contents:

2-FC6H4OMe was brominated in CHCl3 to 92% 2,4-FBrC6H3OMe which was cyanated to 58% 3,4-F(MeO)C6H3CN. This was demethylated with AlCl3-NaCl to 66% 3,4-F(HO)C6H3CN which was esterified with 4-Me(CH2)4C6H4COCl in PhMe to 62% I [R = Me(CH2)4]. Prepared by the same procedure were 59 other ethers I-IV (R = alkyl, alkoxy). The nematic-isotropic liquid transition temperatures of most of these model esters are only slightly lower than those of the corresponding esters having a H atom in place of F. In several cases, the clearing points of the fluorophenyl esters are higher than those of the unsubstituted Ph esters. The nematic ranges of several of the new esters are markedly broader than those of the analogous non-F substituted Ph esters. In the experiment, the researchers used many compounds, for example, 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Reference of 4-Cyano-3-fluorophenyl 4-butylbenzoate)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Reference of 4-Cyano-3-fluorophenyl 4-butylbenzoate

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《Dielectric spectroscopy studies of 4-cyano-3-fluorophenyl 4-butylbenzoate liquid crystal at high pressure》 was written by Rozwadowski, T.; Massalska-Arodz, M.; Juszynska, E.; Krawczyk, J.; Wojnarowska, Z.; Paluch, M.. Related Products of 86776-52-5 And the article was included in Acta Physica Polonica, A on August 31 ,2012. The article conveys some information:

For 4-cyano-3-fluorophenyl 4-butylbenzoate, nematic glass former at ambient pressure, dielec. relaxation studies were performed under elevated pressure. In the isobaric experiment, on cooling the nematic phase two super-Arrhenius α-relaxations, ascribed to the reorientations of mols. around short axes and precession of long mol. axes were found and the Arrhenius β-relaxation related to intramol. motions. Complexity of dynamics at elevated and ambient pressure is similar. Shift towards lower frequencies was found for both α-relaxations.4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Related Products of 86776-52-5) was used in this study.

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Related Products of 86776-52-5

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Safety of 4-Cyano-3-fluorophenyl 4-butylbenzoateOn June 3, 2015, Rozwadowski, Tomasz; Massalska-Arodz, Maria; Kolek, Lukasz; Grzybowska, Katarzyna; Bak, Andrzej; Chledowska, Krystyna published an article in Crystal Growth & Design. The article was 《Kinetics of Cold Crystallization of 4-Cyano-3-fluorophenyl 4-Butylbenzoate (4CFPB) Glass Forming Liquid Crystal. I. Nonisothermal Process As Studied by Microscopic, Calorimetric, and Dielectric Methods》. The article mentions the following:

For 4-cyano-3-fluorophenyl 4-butylbenzoate (4CFPB), the process of the crystallization of the CrII phase was studied in microscopic (POM), calorimetric (DSC), and dielec. (BDS) nonisothermal experiments with various (0.5-50 K/min) heating of the metastable nematic phase obtained from its glass. Growth of areas of crystal CrII in the microscopic texture of nematic phase during heating allows estimation of degree of crystallinity D(T) vs temperature curves similar to these obtained basing on DSC heat flow curves and for slow heating with help of dielec. relaxation (BDS) method. Two types of CrII crystallization mechanisms seem to be identified: (1) strong ϕ dependence on temperature of full crystallization Tc(ϕ) and half time of crystallization t1/2(ϕ) on slow heating up to 5 K/min points to diffusion-controlled mechanism with the energy barrier 57 kJ/mol, and (2) small effect of faster heating on Tc(ϕ) and t1/2(ϕ) seems to illustrate thermodn. mechanism with energy barrier 180 kJ/mol. The scenario of two mechanisms of CrII crystallization is in agreement with the results of new method proposed by Mo et al., using combination of Avrami and Ozawa equations for description of nonisothermal crystallization In addition to crystallization of CrII of 4CFPB, at higher temperature range CrII-CrI transformation to a stable CrI crystal was digitalized based on microscopic and DCS results for heating at 1 K/min. In the part of experimental materials, we found many familiar compounds, such as 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Safety of 4-Cyano-3-fluorophenyl 4-butylbenzoate)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Safety of 4-Cyano-3-fluorophenyl 4-butylbenzoate

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Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts

《Molecular dynamics of 4-cyano-3-fluorophenyl 4-butylbenzoate as studied by dielectric relaxation spectroscopy》 was written by Massalska-Arodz, M.; Krawczyk, J.; Juszynska, E.; Kocot, A.; Inaba, A.. Reference of 4-Cyano-3-fluorophenyl 4-butylbenzoate And the article was included in Acta Physica Polonica, A on April 30 ,2010. The article conveys some information:

Dielec. α-relaxation connected with reorientations of the 4-cyano-3-fluorophenyl 4-butylbenzoate mols. around short axes in the isotropic and nematic phases is presented. In the nematic phase the super-Arrhenius temperature dependence of the relaxation has been found. Vitrification of the supercooled nematic phase is shown. Below glass transition temperature the secondary β-relaxation has been identified and described well by the Arrhenius temperature dependence on cooling and on heating. After softening of glass to the metastable nematic phase a spontaneous crystallization occurs as for some other low-weight mol. glass formers. In addition to this study using 4-Cyano-3-fluorophenyl 4-butylbenzoate, there are many other studies that have used 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Reference of 4-Cyano-3-fluorophenyl 4-butylbenzoate) was used in this study.

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Reference of 4-Cyano-3-fluorophenyl 4-butylbenzoate

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Koeysal, Oguz; Okutan, Mustafa; San, S. Eren; Dabrowski, Roman; Ecevit, F. Necati published an article in Materials Chemistry and Physics. The title of the article was 《Molecular orientation and photorefractive effects in single-wall carbon nanotubes doped nitrile-ester mixture liquid crystals》.Computed Properties of C18H16FNO2 The author mentioned the following in the article:

The authors report the electrooptical properties of liquid crystal cells containing pure nitrile-ester mixture liquid crystal (NEMLC) and its doped form with 0.05% (weight/weight) single-wall C nanotubes (SWCNT). Diffraction efficiencies of 441-nm pump and 632-nm probe beams were measured in two-wave mixing experiment Efficiencies and rise time increase in SWCNT doped nematic liquid crystals. A maximum diffraction efficiency of ∼15% was found for cell doped with SWCNT, while cells without SWCNT had a maximum efficiency of 7%. Also photoconductivity in SWCNT doped liquid crystals is highly dependent on the light intensity. This is attributed to the doping, which enhances the efficient photo-charge generation, combined with enlarged conductivity After reading the article, we found that the author used 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5Computed Properties of C18H16FNO2)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).Computed Properties of C18H16FNO2

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The author of 《Polymorphism and thermodynamic functions of liquid crystalline material 4-cyano-3-fluorophenyl 4-butylbenzoate》 were Inaba, Akira; Suzuki, Hal; Massalska-Arodz, Maria; Rozwadowski, Tomasz. And the article was published in Journal of Chemical Thermodynamics in 2012. HPLC of Formula: 86776-52-5 The author mentioned the following in the article:

Heat capacity measurements were conducted between temperatures of 5 K and 360 K by adiabatic calorimetry for the liquid crystalline material 4-cyano-3-fluorophenyl 4-butylbenzoate to investigate the phase behavior and determine the thermodn. functions. Five phases are identified: the metastable nematic phase, its glass phase (T g = 210 K), stable crystal I (T fus = 288.43 K), a new metastable crystal (crystal II), and the isotropic liquid The enthalpy of fusion of crystal I is 22.22 kJ · mol-1, and the entropy is 76.91 J · K-1 · mol-1. Polarizing microscopy observations were also conducted between T = 100 K and 300 K to confirm the phase behavior. The m.p. of crystal II (T fus = 286 K) and the clearing temperature of the nematic phase (T c = 279.4 K) were obtained using a microscope. On the other hand, the enthalpy of the clearing transition (526 J · mol-1) and the entropy (1.88 J · K-1 · mol-1) were obtained from the thermodn. functions. The Debye temperature of crystal II (55.3 K) is significantly lower than that of crystal I (60.7 K), indicating that the phonon d. of states is considerably different between the two crystals. The existence of low-energy excitations in the nematic glass and a low-energy shift of the intramol. modes in crystal II are also identified. In the experiment, the researchers used many compounds, for example, 4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5HPLC of Formula: 86776-52-5)

4-Cyano-3-fluorophenyl 4-butylbenzoate(cas: 86776-52-5) is a member of aromaticfluorinated building blocks. Depending on which substituents are present, fluoroaromatic intermediates can be converted into fluorinated or fluorine-free commercial end products.Fluorine-containing aromatics have been incorporated into drugs (hypnotics, tranquilizers, antiinflammatory agents, analgesics, antibacterials).HPLC of Formula: 86776-52-5

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Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts