4'-(Octyloxy)-4-biphenylcarbonitrile

Product Name: 4'-(Octyloxy)-4-biphenylcarbonitrile
CAS No.: 52364-73-5
Chemical Name: 4'-(Octyloxy)-4-biphenylcarbonitrile
Synonyms: 8OCB;M-24;RO-CM-5324;m24(liquidcrystal);OCTYLOXYCYANOBIPHENYL;Octoxybiphenylnitrile;4-cyano-4-octylophenyl;4-octyloxycyanodiphenyl;4-octoxy-4'-cyanobiphenyl;4-Cyano-4’-octoxybiphenyl
CBNumber: CB3452127
Molecular Formula: C21H25NO
Formula Weight: 307.43
MOL File: 52364-73-5.mol

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4'-(Octyloxy)-4-biphenylcarbonitrile Property

Melting point:: 51-77 °C (lit.)
Boiling point:: 447.93°C (rough estimate)
Density: 1.0505 (rough estimate)
refractive index: 1.5614 (estimate)
Flash point:: >230 °F
storage temp.: Sealed in dry,Room Temperature
form: liquid crystal (Nematic)
color: White to Almost white
InChI: InChI=1S/C21H25NO/c1-2-3-4-5-6-7-16-23-21-14-12-20(13-15-21)19-10-8-18(17-22)9-11-19/h8-15H,2-7,16H2,1H3
InChIKey: GPGGNNIMKOVSAG-UHFFFAOYSA-N
SMILES: C1(C2=CC=C(OCCCCCCCC)C=C2)=CC=C(C#N)C=C1
NIST Chemistry Reference: Octyloxycyanobiphenyl(52364-73-5)
EPA Substance Registry System: [1,1'-Biphenyl]-4-carbonitrile, 4'-(octyloxy)- (52364-73-5)

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Safety

Hazard Codes: Xn,Xi
Risk Statements: 20/21/22-36/37/38
Safety Statements: 26-36
WGK Germany: 3
RTECS: DV1764500
TSCA: Yes
HS Code: 29269090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H413May cause long lasting harmful effects to aquatic life

Precautionary statements

P273Avoid release to the environment.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 338672
Product name: 4′-(Octyloxy)-4-biphenylcarbonitrile
Purity: liquid crystal (nematic)
Packaging: 250mg
Price: $36.1
Updated: 2023/06/20

Sigma-Aldrich

Product number: 338672
Product name: 4′-(Octyloxy)-4-biphenylcarbonitrile
Purity: liquid crystal (nematic)
Packaging: 1g
Price: $114
Updated: 2023/06/20

TCI Chemical

Product number: C2618
Product name: 4-Cyano-4'-n-octyloxybiphenyl
Purity: >98.0%(GC)
Packaging: 5g
Price: $157
Updated: 2025/07/31

TCI Chemical

Product number: C2618
Product name: 4-Cyano-4'-n-octyloxybiphenyl
Purity: >98.0%(GC)
Packaging: 25g
Price: $545
Updated: 2025/07/31

TRC

Product number: O293265
Product name: 4''-(Octyloxy)-4-biphenylcarbonitrile
Packaging: 1g
Price: $45
Updated: 2021/12/16

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4'-(Octyloxy)-4-biphenylcarbonitrile Chemical Properties,Usage,Production

Chemical Properties

White Crysstalline

Uses

8CB may be used in the preparation of asymmetrical zinc phthalocyanine (aZnPc)-functional photocurable copolymer.

Uses

Intermediates of Liquid Crystals

General Description

4′-octyl-4- biphenylcarbonitrile (8CB) is a low molar mass liquid crystal (LCs), which shows different liquid crystalline phases depending on temperature conditions. Under normal temperature conditions 8CB exists only as bulk smectic-A phase. LCs are responsive to minor changes in temperature, shear, electric (or magnetic) fields, and the structure of solid surfaces with which they are in contact.

Synthesis

111-83-1

19812-93-2

52364-73-5

GENERAL STEPS: 4'-hydroxybiphenyl-4-carbonitrile (20.0 g, 0.1 mol), potassium carbonate (28.0 g, 0.2 mol) and N,N-dimethylformamide (600 mL) were added sequentially in a 1000 mL three-necked flask with magnetic stirring turned on. Subsequently, 1-bromooctane (23.0 g, 0.12 mol) was slowly added dropwise, and the reaction system was warmed to 120 °C and kept for 48 hours. Upon completion of the reaction, the mixture was cooled to room temperature, slowly poured into ice water (1000 mL) and allowed to stand overnight. The precipitated solid product was collected by filtration and purified by recrystallization with ethanol to afford the target compound 4'-octyloxy-[1,1'-biphenyl]-4-carbonitrile.

References

[1] Molecular Crystals and Liquid Crystals, 2008, vol. 480, # 1, p. 287 - 294
[2] Tetrahedron, 2012, vol. 68, # 39, p. 8172 - 8180
[3] Molecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals, 1995, vol. 268, p. 21 - 44
[4] Journal of Organic Chemistry USSR (English Translation), 1984, vol. 20, p. 1192 - 1195
[5] Zhurnal Organicheskoi Khimii, 1984, vol. 20, # 6, p. 1310 - 1314

4'-(Octyloxy)-4-biphenylcarbonitrile Preparation Products And Raw materials

Raw materials

Preparation Products

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4'-(Octyloxy)-4-biphenylcarbonitrile Suppliers

Americas 1 CHINA 129 Europe 1 Germany 6 India 4 Japan 2 Switzerland 1 United States 21 Global 165

Shanghai Peiling Biological Technology Co., LTD

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Capot Chemical Co., Ltd

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View Lastest Price from 4'-(Octyloxy)-4-biphenylcarbonitrile manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Product: 4'-(Octyloxy)-4-biphenylcarbonitrile 52364-73-5
Price: US $2.00-5.00/KG
Min. Order: 0.1KG
Purity: 99%
Supply Ability: g-kg-tons
Release date: 2025-07-10

Hebei Chuanghai Biotechnology Co., Ltd

Product: 4'-(Octyloxy)-4-biphenylcarbonitrile 52364-73-5
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 mt
Release date: 2024-11-13

Shanghai UCHEM Inc.

Product: 4'-(Octyloxy)-4-biphenylcarbonitrile 52364-73-5
Price: US $40.00-413.00/g
Min. Order: 25g
Purity: 0.98
Supply Ability: 25kg
Release date: 2023-12-28

52364-73-5, 4'-(Octyloxy)-4-biphenylcarbonitrileRelated Search:

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4′-(Octyloxy)-4-biphenylcarbonitrile, CAS 52364-73-5

4'-(Octyloxy)-4-biphenylcarbonitrile

52364-73-5

CH3CH27OC6H4C6H4CN

Biphenyl & Diphenyl ether

Liquid Crystals

Nematic

Organic Electronics and Photonics