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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338680
4′-Octyl-4-biphenylcarbonitrile
liquid crystal (nematic), 98%
Synonim(y):
4′-n -Octyl-4-cyanobiphenyl, 4′-Octyl-4-biphenylcarbonitrile, 4′-Octyl-4-cyanobiphenyl, 4′-Octyl[1,1′-biphenyl]-4-carbonitrile, 4-n -Octyl-4′-cyanobiphenyl, 4-Cyano-4′-n -octylbiphenyl, 4-Cyano-4′-octyl-1,1′-biphenyl, 4-Cyano-4′-octylbiphenyl, 4-Octyl-4′-cyanobiphenyl, p -n -Octyl-p ′-cyanobiphenyl, p -Cyano-p ′-octylbiphenyl, p -Octyl-p ′-cyanobiphenyl
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Informacje o tej pozycji
Wzór liniowy:
CH3(CH2)7C6H4C6H4CN
Numer CAS:
Masa cząsteczkowa:
291.43
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352103
EC Number:
258-120-6
MDL number:
Informacje o cenach i dostępności nie są obecnie dostępne.
Pomoc techniczna
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Pozwól nam pomócQuality Segment
assay
98%
form
liquid crystal (nematic)
SMILES string
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
General description
4′-octyl-4-biphenylcarbonitrile (8CB) is a low molar mass liquid crystal (LC), which shows different liquid crystalline phases depending on temperature conditions. Under normal temperature conditions 8CB exists only as a bulk smectic-A phase. LCs are responsive to subtle changes in temperature, shear, electric (or magnetic) fields, and the structure of solid surfaces with which they are in contact.
Application
Monolayer films of the LCs deposited onto highly ordered pyrolytic graphite, these self-assembled films display a wide variety of structural forms.
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Ta pozycja | |||
|---|---|---|---|
| assay 98% | assay 96% | assay 97% | assay 99% (CP) |
| form liquid crystal (nematic) | form liquid crystal (nematic) | form liquid crystal | form - |
| Quality Level 100 | Quality Level - | Quality Level 100 | Quality Level 200 |
signalword
Warning
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Klasa składowania
10 - Combustible liquids
wgk
WGK 3
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Give the phase transition temperatures and name the different phases of this liquid crystalline compound 338680 4'-octyl-4-biphenyl carbonitrile
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What is the Department of Transportation shipping information for this product?
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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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What is the anisotropy refractive index and anisotropy electric permittivity for product 338680, 4´-Octyl-4-biphenylcarbonitrile?
1 answer-
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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