| Identification | More | [Name]
4'-Heptyl-4-biphenylcarbonitrile | [CAS]
41122-71-8 | [Synonyms]
[4-(4'-N-HEPTYLOXYPHENYL)BENZONITRILE]
4-CYANO-4'-HEPTYLBIPHENYL
4-CYANO-4'-N-HEPTYLBIPHENYL
4'-HEPTYL-4-BIPHENYLCARBONITRILE
4-HEPTYL-4'-CYANO-BIPHENYL
4'-N-HEPTYL-4-BIPHENYLCARBONITRILE
4'-N-HEPTYLBIPHENYL-4-CARBONITRILE
7CB
1’-Biphenyl)-4-carbonitrile,4’-heptyl-(1
1’-biphenyl]-4-carbonitrile,4’-heptyl-[
4’-heptyl-biphenyl-4-carbonitrile
4'-Heptyl[1,1'-biphenyl]-4-carbonitrile
CB7
K21
RO-CM-5121
4-N-Heptyl-Biphenylcarbonitrile
4-(4'-n-heptylphenyl)benzonitrile
4'-Heptyl-4-cyanobiphenyl | [EINECS(EC#)]
255-229-0 | [Molecular Formula]
C20H23N | [MDL Number]
MFCD00074915 | [Molecular Weight]
277.4 | [MOL File]
41122-71-8.mol |
| Chemical Properties | Back Directory | [Melting point ]
30-32°C | [Boiling point ]
210-211°C 2mm | [density ]
1.01±0.1 g/cm3(Predicted) | [Fp ]
>230 °F
| [storage temp. ]
Sealed in dry,Room Temperature | [solubility ]
almost transparency in Toluene | [form ]
powder to lump to clear liquid | [color ]
White or Colorless to Almost white or Almost colorless | [Usage]
Intermediates of Liquid Crystals | [InChI]
InChI=1S/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 | [InChIKey]
ZGOWXOZNUNZPAV-UHFFFAOYSA-N | [SMILES]
C1(C2=CC=C(CCCCCCC)C=C2)=CC=C(C#N)C=C1 | [CAS DataBase Reference]
41122-71-8(CAS DataBase Reference) | [NIST Chemistry Reference]
[1,1'-Biphenyl]-4-carbonitrile, 4'-heptyl-(41122-71-8) | [EPA Substance Registry System]
41122-71-8(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
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 ]
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
| [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
III | [HS Code ]
29269090 | [Storage Class]
11 - Combustible Solids | [Hazard Classifications]
Acute Tox. 4 Oral
Aquatic Chronic 4 |
| Hazard Information | Back Directory | [Chemical Properties]
White solid | [Uses]
Intermediates of Liquid Crystals | [General Description]
4′-Heptyl-4-biphenylcarbonitrile (7CB) belongs to the family of thermotropic liquid crystals from the CB family. Crystal transition temperature of 7CB is 15oC and it melts at 36oC. 1 |
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