4-Cyano-4'-pentyloxybiphenyl TCI C1551

Chemical Identity

Other names: 5OCB · 4'-Amyloxy-4-biphenylcarbonitrile · 4-Amyloxy-4'-cyanobiphenyl · 4'-Pentyloxy-4-biphenylcarbonitrile · 5OCB
CAS No.: 52364-71-3
PubChem: CID 104171·SID 87566548
Formula: C18H19NO
Molecular weight: 265.36 g/mol
Purity: >98.0%(GC)
Reference databases: ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 4-(4-pentoxyphenyl)benzonitrile
SMILES: CCCCCOC1=CC=C(C=C1)C2=CC=C(C=C2)C#N
InChIKey: RDISTOCQRJJICR-UHFFFAOYSA-N
MDL: MDL00074879

Rp 848.400,00

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TCI C1551 4-Cyano-4'-pentyloxybiphenyl, commonly abbreviated 5OCB, is the alkoxy analogue of the classic cyanobiphenyl liquid crystal family. The ether linkage between the biphenyl core and the pentyl chain strengthens intermolecular interactions, giving mesomorphic behaviour that differs noticeably from its alkyl counterpart. It is frequently used to study structure–property relationships, to build eutectic mixtures with wider nematic ranges, and as a model material in thermal analysis and hot-stage polarized microscopy. AMI Scientific offers this TCI material in 1 g and 5 g packs for soft matter physics, materials chemistry, and display research laboratories.