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338680

Sigma-Aldrich

4′-辛基-4-联苯基甲腈

liquid crystal (nematic), 98%

同義詞:

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

線性公式:
CH3(CH2)7C6H4C6H4CN
CAS號碼:
52709-84-9
分子量：:
291.43
EC號碼:
258-120-6
MDL號碼:
MFCD00075146
分類程式碼代碼:
12352103
PubChem物質ID:
24860562
NACRES:
NA.23
暫時無法取得訂價和供貨情況

品質等級

100

化驗

98%

形狀

liquid crystal (nematic)

SMILES 字串

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 密鑰

CSQPODPWWMOTIY-UHFFFAOYSA-N

相關類別

一般說明

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。[1]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。[2]

應用

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。[1]

象形圖

Exclamation mark
GHS07

訊號詞

Warning

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

10 - Combustible liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

235.4 °F - closed cup

閃點（°C）

113 °C - closed cup

個人防護裝備

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

從最近期的版本中選擇一個：

分析證明 (COA)

Lot/Batch Number
SDBB3118
STBL2723
STBK5373
STBJ1731
STBG8551

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存取文件庫

Substrate defects and variations in interfacial ordering of monolayer molecular films on graphite.
Patrick DL, et al.
Langmuir, 10(1), 298-302 (1994)
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
Mechanism of molecular ordering in monolayer liquid crystal films.
Patrick DL, et al.
The Journal of Physical Chemistry, 100(20), 8478-8481 (1996)
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)

Questions

1–3 of 3 Questions  

  1. Give the phase transition temperatures and name the different phases of this liquid crystalline compound 338680 4'-octyl-4-biphenyl carbonitrile

    1 answer

    1. 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/104289

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

    1 answer

    1. 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

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

    1 answer

    1. 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.

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