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| CAS No.: | 41122-71-8 |
|---|---|
| Name: | 4'-Heptyl-4-biphenylcarbonitrile |
| Article Data: | 4 |
| Molecular Structure: | |
|
|
|
| Formula: | C20H23N |
| Molecular Weight: | 277.409 |
| Synonyms: | 4-Cyano-4'-heptyl-1,1'-biphenyl;4-Cyano-4'-heptylbiphenyl;4-Cyano-4'-n-heptyl-1,1'-biphenyl;4-Cyano-4'-n-heptylbiphenyl;4-Heptyl-4'-cyanobiphenyl;4-n-Heptyl-4'-cyanobiphenyl;4'-Heptyl-4-biphenylcarbonitrile;4'-Heptyl-4-cyanobiphenyl;4'-Heptyl[1,1'-biphenyl]-4-carbonitrile;4'-n-Heptyl-4-cyanobiphenyl;7CB;CB 7;CB 7 (liquid crystal);K 21;K 21(liquid crystal);p,p'-n-Heptylcyanobiphenyl;p-Cyano-p'-heptylbiphenyl;p-Heptyl-p'-cyanobiphenyl;p-n-Heptyl-p'-cyanobiphenyl; |
| EINECS: | 255-229-0 |
| Density: | 1.01 g/cm3 |
| Melting Point: | 30-32 °C |
| Boiling Point: | 420.9 °C at 760 mmHg |
| Flash Point: | 209.7 °C |
| Appearance: | white crystals |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 26-36 |
| Transport Information: | 25kgs |
| PSA: | 23.79000 |
| LogP: | 5.73818 |
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Chemistry
The Molecular Structure of 1,1'-Biphenyl)-4-carbonitrile, 4'-heptyl- (CAS NO.41122-71-8):
Molecular Formula: C20H23N
Molecular Weight: 277.403320 g/mol
IUPAC: 4-(4-heptylphenyl)benzonitrile
Product Categories: Biphenyl & Diphenyl ether;Biphenyls (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals;Cyanobiphenyls & Analogs (Liquid Crystals);Functional Materials;Liquid Crystals & Related Compounds;Liquid Crystals;Nematic;Organic Electronics and Photonics
Nominal Mass: 277 Da
Average Mass: 277.4033 Da
Monoisotopic Mass: 277.18305 Da
Melting Point: 30-32°C
Index of Refraction: 1.558
Molar Refractivity: 88.43 cm3
Molar Volume: 274 cm3
Surface Tension: 43.5 dyne/cm
Density: 1.01 g/cm3
Flash Point: 209.7 °C
Enthalpy of Vaporization: 67.48 kJ/mol
Boiling Point: 420.9 °C at 760 mmHg
Vapour Pressure: 2.72E-07 mmHg at 25°C
InChI
InChI=1/C20H23N/c1-2-3-4-5-6-7-17-8-12-19(13-9-17)20-14-10-18(16-21)11-15-20/h8-15H,2-7H2,1H3
Smiles
c1(ccc(cc1)C#N)c1ccc(cc1)CCCCCCC
Uses
1,1'-Biphenyl)-4-carbonitrile, 4'-heptyl- (CAS NO.41122-71-8) is used as intermediates of liquid crystals.
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36: Wear suitable protective clothing
RIDADR: 3276
WGK Germany: 3
HazardClass: 6.1
PackingGroup: III
Specification
1,1'-Biphenyl)-4-carbonitrile, 4'-heptyl- (CAS NO.41122-71-8) is also called as 4-Cyano-4'-heptylbiphenyl ; EINECS 255-229-0 ; p-Cyano-p'-heptylbiphenyl ; 4'-Heptyl(1,1'-biphenyl)-4-carbonitrile .