328529
4′-(Pentyloxy)-4-biphenylcarbonitrile
liquid crystal (nematic), 99%
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About This Item
Linear Formula:
CH3(CH2)4OC6H4C6H4CN
CAS Number:
Molecular Weight:
265.35
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
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Assay
99%
form
liquid crystal (nematic)
SMILES string
CCCCCOc1ccc(cc1)-c2ccc(cc2)C#N
InChI
1S/C18H19NO/c1-2-3-4-13-20-18-11-9-17(10-12-18)16-7-5-15(14-19)6-8-16/h5-12H,2-4,13H2,1H3
InChI key
RDISTOCQRJJICR-UHFFFAOYSA-N
General description
4′-(Pentyloxy)-4-biphenylcarbonitrile (5-OCB) liquid crystals are the member of the oxycyanobiphenyl family. It exhibits liquid crystalline phase in the temperature range of 47-67.5oC. Crystal and molecular structure of 5-OCB was reported. The crystals belong to the monoclinic system (a=21.378, b=5.695, c=12.789Å). The 5-OCB molecules are antiparallel in layers. H NMR of the phase transitions has been studied.
Application
5-OCB may be used in indicators and storage devices.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 4
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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X-Ray Studies on the Mesogen 4?-n-Pentyloxy-4-Biphenylcarbonitrile(5OCB) in the Solid Crystalline State
Mandal P and Paul S
Mol. Cryst. Liq. Cryst., 131(3-4) (1985)
Wide-line 1H NMR study of 4?-(pentyloxy)-4-biphenylcarbonitrile in different phase states
Chuvaev VF, et al.
Russian Journal of Inorganic Chemistry, 53(12), 1925-1928 null
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