1-(trans-4-Pentylcyclohexyl)-4-propylbenzene from TCI (product code P3259, CAS 82991-48-8) is an organic compound made of a propyl-substituted benzene ring joined to a trans-configured cyclohexane ring that carries a pentyl chain. This elongated, rigid structure is typical of mesogenic compounds, which are molecules that help form liquid crystal phases. In materials and chemistry laboratories, the compound is used as a component of liquid crystal mixtures, as a reference material, and as a building block for designing new mesogenic molecules.
The compound stands out because it combines a phenylcyclohexane core with an alkyl chain at each end. The trans configuration of the cyclohexane ring keeps the molecule straight and elongated, which is important for orientational order in liquid crystal phases. It has no strongly polar groups, so compounds of this type are generally known as diluent components in liquid crystal mixtures. They help lower viscosity and adjust the physical properties of the mixture. This makes the compound useful for formulation studies and for research on how molecular structure relates to phase behaviour.
In Indonesia, this material suits materials physics and organic chemistry research groups at universities and research institutes that study liquid crystals, soft matter and functional organic materials. It is useful for postgraduate projects on structure–property relationships, for teaching laboratories that show how molecular shape affects phase behaviour, and for synthesis groups that need a well-defined non-heterocyclic building block. AMI Scientific supplies this TCI product so local laboratories can obtain a consistent, traceable reagent for their research and development work.
Related TCI products
- TCI E1367 84540-32-9 1-Ethoxy-4-(trans-4-pentylcyclohexyl)benzene
- TCI P2696 131790-57-3 4-(trans-4-Pentylcyclohexyl)phenyl (trans,trans)-4'-Propyl-[1,1'-bi(cyclohexane)]-4-carboxylate
- TCI P2150 154102-21-3 (R)-1-Phenyl-1,2-ethanediyl Bis[4-(trans-4-pentylcyclohexyl)benzoate]
- TCI E1389 124729-02-8 trans-1-Ethoxy-2,3-difluoro-4-(4-pentylcyclohexyl)benzene
- TCI E1254 79709-85-6 4-Ethyl-4'-(trans-4-pentylcyclohexyl)biphenyl
- TCI B5881 85600-56-2 4,4'-Bis(trans-4-propylcyclohexyl)biphenyl
- Liquid crystal mixture formulation: its non-polar, rod-like phenylcyclohexane structure makes it a suitable diluent component for lowering viscosity and tuning the physical properties of mixtures.
- Structure–property relationship studies: the trans-cyclohexane ring and two terminal alkyl chains give a clear model for studying how molecular shape and chain length affect phase behaviour.
- Reference material for mesogen research: its well-defined, typical mesogenic structure makes it a useful comparison compound when researchers characterise new or modified liquid crystal molecules.
- Building block for new mesogen design: the phenylcyclohexane core with alkyl termini is a practical starting framework for synthetic chemists designing new elongated, rigid liquid crystal molecules.
- Teaching and demonstration in materials science: the compound shows students how rigid cores, trans geometry and flexible alkyl chains work together to produce ordered liquid crystal phases.
| Brand | TCI (product code P3259) |
|---|---|
| CAS number | 82991-48-8 |
| Molecular formula | — |
| Purity | — |
| Category | Chemistry > Building Blocks > Non-Heterocyclic Building Blocks |
| Pack sizes | available in TCI's standard pack sizes; please contact AMI Scientific for current options |
| Physical form | — |
| Storage | follow the storage conditions stated on the TCI label and Safety Data Sheet |
Keep this compound in its original, tightly closed container in a cool, dry, well-ventilated place away from direct sunlight, heat sources and strong oxidising agents. If the material is moved to another container, use clean, chemically compatible glass or other inert containers with clear labels. Follow good laboratory practice when handling it: wear safety glasses, gloves and a lab coat, avoid inhaling dust or vapour, and prevent contact with skin and eyes. Work in a fume hood when appropriate. Before use, always read the TCI Safety Data Sheet for specific hazard, first-aid and disposal information, and dispose of waste according to local regulations.
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