Detail of "62439-35-4"

CAS Number:
62439-35-4
Name:
p-cyanophenyl trans-4-pentylcyclohexanecarboxylate
Superlist Name:
4-Cyanophenyl trans-4-pentylcyclohexanecarboxylate
Molecular Structure:
Formula:
C₁₉H₂₅NO
Molecular Weight:
298.39936
Synonyms:
4-Cyanophenyl4-trans-pentylcyclohexanecarboxylate;4-Cyanophenyl trans-4-pentylcyclohexanecarboxylate;
EINECS:
263-543-4
Density:
1.06 g/cm³
Boiling Point:
430.4 °C at 760 mmHg
Flash Point:
212.3 °C

Display：

Assay:98%

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

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4-Cyanophenyl-4'-trans-pentylcyclohexylcarboxylate

Supplier:Yongyi Chemicals Group Co., Ltd. [ China (Mainland)]

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Liquid crystalline trans-4-n-alkylcyclohexanecarboxylic acid 4-cyanophenyl esters: Liquid crystalline trans-4-n-alkylcyclohexanecarboxylic acid 4-cyanophenyl esters. Deutscher, Hans Joachim; Kuschel, Frank; Koenig, Siglind; Kresse, Horst; Pfeiffer, Doris; Wiegeleben, Adelbert; Wulf, Juergen; Demus, Dietrich (Sekt. Chem., Martin-Luther-Univ. Halle-Wittenberg, Halle/Saale, E. Ger.). Z. 62439-33-2 and 62439-35-4 are also occured in this study. Chem., 17(2), 64-5 (German) 1977. CODEN: ZECEAL. DOCUMENT TYPE: Journal CA Section: 75 (Crystallization and Crystal Structure) Section cross-reference(s): 74, 69, 76 The prepn. and liq.-crystal properties of the title are described. The compds. were prepd. by esterification of the acid chloride with 4-cyanophenol and sepn. of the trans and cis compds. through recrystn. The transition temps., heats of melting, viscosities, and dielec. anisotropies were detd. The lowest m.p. (10.5-14.5.degree.) and clearing point (71-92.2.degree.) was obtained for a mixt. consisting of 32.82% trans-4-propyl deriv., 30.97% trans-4-butyl deriv.,and 36.21% trans-4-pentyl deriv. The characteristics of a twist cell with this mixt. are described. .