4-Cyano-4'-pentylbiphenyl TCI C1550

Chemical Identity

Other names: 4'-Amyl-4-biphenylcarbonitrile · 4-Amyl-4'-cyanobiphenyl · 4'-Pentyl-4-biphenylcarbonitrile · 5CB
CAS No.: 40817-08-1
PubChem: CID 92319·SID 87566547
Formula: C18H19N
Molecular weight: 249.36 g/mol
Purity: >98.0%(GC)
Storage: 0-10°C
Reference databases: ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 4-(4-pentylphenyl)benzonitrile
SMILES: CCCCCC1=CC=C(C=C1)C2=CC=C(C=C2)C#N
InChIKey: HHPCNRKYVYWYAU-UHFFFAOYSA-N
MDL: MDL00036350

Rp 822.150,00

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TCI C1550 4-Cyano-4'-pentylbiphenyl, widely known as 5CB, is a benchmark nematic liquid crystal built on a rigid biphenyl core with a polar cyano head and a flexible pentyl tail. Its nematic behaviour near ambient temperature makes it especially convenient for classroom demonstrations and laboratory studies that do not require elaborate heating stages. Researchers commonly use it in test-cell fabrication, polarized light microscopy, liquid crystal based sensing, and as a host matrix for evaluating new mesogenic compounds. AMI Scientific supplies this TCI material in 1 g, 5 g, and 25 g packs for materials science, electronics, and photonics laboratories.