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安全信息

338680

Sigma-Aldrich

4′-辛基-4-联苯基甲腈

liquid crystal (nematic), 98%

别名:

4′-n -辛基-4-氰基联苯, 4′-辛基-4-氰基联苯, 4′-辛基-4-联苯基甲腈, 4′-辛基[1,1′-联苯]-4-甲腈, 4-n -辛基-4′-氰基联苯, 4-氰基-4′-n -辛基联苯, 4-氰基-4′-辛基-1,1′-联苯, 4-氰基-4′-辛基联苯, 4-辛基-4′-氰基联苯, p -n -辛基-p ′-氰基联苯, p -氰基-p ′-辛基联苯, p -辛基-p ′-氰基联苯

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About This Item

线性分子式:
CH3(CH2)7C6H4C6H4CN
CAS号:
52709-84-9
分子量:
291.43
EC 号:
258-120-6
MDL编号:
MFCD00075146
UNSPSC代码:
12352103
PubChem化学物质编号:
24860562
NACRES:
NA.23

质量水平

100

方案

98%

表单

liquid crystal (nematic)

SMILES字符串

CCCCCCCCc1ccc(cc1)-c2ccc(cc2)C#N

InChI

1S/C21H25N/c1-2-3-4-5-6-7-8-18-9-13-20(14-10-18)21-15-11-19(17-22)12-16-21/h9-16H,2-8H2,1H3

InChI key

CSQPODPWWMOTIY-UHFFFAOYSA-N

相关类别

一般描述

4′-辛基-4-联苯腈(8CB)是一种低摩尔质量液晶(LC)，其液晶相随温度条件的变化而不同。在常温条件下，8CB仅以体近晶A相存在。LC可以对温度、剪切、电场（或磁场）以及与之接触的固体表面结构的细微变化做出反应。

应用

LC 的单层膜沉积在高度有序的热解石墨上，这些自组装膜表现出各种各样的结构形式。

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

10 - Combustible liquids

WGK

WGK 3

闪点(°F)

235.4 °F - closed cup

闪点(°C)

113 °C - closed cup

个人防护装备

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

法规信息

新产品

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
STBL2723
STBK5373
STBJ1731
STBG8551
STBG4807V

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the anisotropy refractive index and anisotropy electric permittivity for product 338680, 4´-Octyl-4-biphenylcarbonitrile?

    Literature values for the anisotropy refractive index and anisotropy electric permittivity of product 338680, 4´-Octyl-4-biphenylcarbonitrile are as follows:ne=1.673no=1.516in 27oCe||=12.8e^=6.65De=6.15in 39.4oC

  6. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Mechanism of molecular ordering in monolayer liquid crystal films.
Patrick DL, et al.
The Journal of Physical Chemistry, 100(20), 8478-8481 (1996)
Monirosadat Sadati et al.
Journal of the American Chemical Society, 139(10), 3841-3850 (2017-02-09)
Numerous applications of liquid crystals rely on control of molecular orientation at an interface. However, little is known about the precise molecular structure of such interfaces. In this work, synchrotron X-ray reflectivity measurements, accompanied by large-scale atomistic molecular dynamics simulations
Substrate defects and variations in interfacial ordering of monolayer molecular films on graphite.
Patrick DL, et al.
Langmuir, 10(1), 298-302 (1994)
Separation of nematic and smectic-A potential effects on solute ordering in a series of binary 6OCB-8OCB mixtures
Burnell EE, et al.
Canadian Journal of Chemistry, 89(7), 900-908 (2011)

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