Liquid Crystals

Liquid crystals (LCs) are highly structured liquids, with orientational (nematic, cholesteric) and positional (smectic) order of constituent molecules (see figure). The type of molecular order is controlled by shape and chirality of LC molecules, with over a hundred known LC phases. Because LCs are liquids, their molecular order is sensitive to environment, e.g. temperature, electric and magnetic fields, or adsorption of chemicals. Molecular alignment in LC films results in optical properties (e.g. refractive index, reflectivity, transmission) that can vary with wavelength (color) and polarization of incident light. The two key attributes of LCs - liquid-like behavior and optical anisotropy - drive the majority of LC applications to switchable displays and optoelectronic devices.

We offer many well-defined nematic, cholecteric, and smectic molecular liquid crystals, as well as a discotic and several polymeric LC materials. In addition, we offer a selection of LC mesogens - molecular blocks known to have liquid crystalline order. LC building blocks are synthons commonly used to make LC molecules. To view the products filtered by your area of research interest, click on the "Material Type" heading in the first column and select from the drop down menu. For more specific product details, click on the Product # links.
Schematic representation of molecular order in common liquid crystal materials

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514578 1,2-Dihexyloxybenzene 98% Building Blocks
278602 1-Dodecylpyridinium chloride hydrate 98% Building Blocks
535494 4′-Bromomethyl-2-biphenylcarbonitrile 97% Building Blocks
374784 4′-Hydroxy-4-biphenylcarbonitrile 97% Building Blocks
139750 4-(Dodecyloxy)benzoic acid 98% Building Blocks
362816 4-(Nonyloxy)benzoic acid 97% Building Blocks
363200 4-(Octyloxy)benzoic acid 98% Building Blocks
124206 4-Butoxybenzoic acid 98% Building Blocks
230626 4-Butylbenzoic acid 99% Building Blocks
C89803 4-Cyanobenzoic acid 99% Building Blocks
144959 4-Ethoxybenzoic acid 99% Building Blocks
230642 4-Heptylbenzoic acid 97% Building Blocks
359319 4-Hexylbenzoic acid liquid crystal, 99% Building Blocks
374202 4-Octylbenzoic acid 99% Building Blocks
230650 4-Pentylbenzoic acid 99% Building Blocks
225029 4-Phenylbenzonitrile 95% Building Blocks
366390 4-Propoxybenzoic acid 98% Building Blocks
588474 6-[4-(4-Cyanophenyl)phenoxy]hexyl methacrylate 96% Building Blocks
387436 Phenyl 1-hydroxy-2-naphthoate 99% Building Blocks
149187 Phenyl salicylate ReagentPlus®, 99% Building Blocks
151114 Cholesteryl acetate 97% Cholesteric
C75802 Cholesteryl benzoate 98% Cholesteric
C76604 Cholesteryl chloride 97% Cholesteric
C77007 Cholesteryl chloroformate 95% Cholesteric
C6512 Cholesteryl hemisuccinate Cholesteric
C9253 Cholesteryl oleate ≥98% (HPLC; detection at 205 nm) Cholesteric
151157 Cholesteryl oleyl carbonate Cholesteric
C6072 Cholesteryl palmitate ≥98% (HPLC; detection at 205 nm) Cholesteric
C78801 Cholesteryl pelargonate 97% Cholesteric
408859 (S)-4-[(1-Methylheptyloxy)carbonyl]phenyl 4′-octyloxy-4-biphenylcarboxylate 99% LC Mesogen
665711 4-Pentylphenyl 4-(octyloxy)benzoate 97% LC Mesogen
665762 4-Pentylphenyl 4-methoxybenzoate 97% LC Mesogen
665754 4-Pentylphenyl 4-methylbenzoate 97% LC Mesogen
665746 4-Pentylphenyl 4-pentylbenzoate 97% LC Mesogen
665738 4-Pentylphenyl 4-propylbenzoate 97% LC Mesogen
366854 1-(trans-4-Hexylcyclohexyl)-4-isothiocyanatobenzene liquid crystal (nematic), 99% Nematic
338656 4′-(Hexyloxy)-4-biphenylcarbonitrile liquid crystal (nematic), 96% Nematic
338672 4′-(Octyloxy)-4-biphenylcarbonitrile liquid crystal (nematic) Nematic
328529 4′-(Pentyloxy)-4-biphenylcarbonitrile liquid crystal (nematic), 99% Nematic
330817 4′-Heptyl-4-biphenylcarbonitrile 98% Nematic
338648 4′-Hexyl-4-biphenylcarbonitrile liquid crystal (nematic), 98% Nematic
338680 4′-Octyl-4-biphenylcarbonitrile liquid crystal (nematic), 98% Nematic
328510 4′-Pentyl-4-biphenylcarbonitrile liquid crystal (nematic), 98% Nematic
A97009 4,4′-Azoxyanisole 98% Nematic
370118 4-(trans-4-Pentylcyclohexyl)benzonitrile 99%, liquid crystal (nematic) Nematic
370053 4-Isothiocyanatophenyl 4-pentylbicyclo[2.2.2]octane-1-carboxylate liquid crystal (nematic), 99% Nematic
M13807 4-Methoxycinnamic acid, predominantly trans 99% Nematic
269522 N-(4-Ethoxybenzylidene)-4-butylaniline 98% Nematic
158224 N-(4-Methoxybenzylidene)-4-butylaniline 98% Nematic
588482 Poly[6-[4-(4-cyanophenyl)phenoxy]hexyl methacrylate] average Mn ~20,000 Polymer LC
497096 Poly(4-hydroxy benzoic acid-co-ethylene terephthalate) 80 mol % in 4-hydroxybenzoic acid Polymer LC
576514 1,4-Bis(decyloxy)benzene 98% Smectic
328537 4-[(S,S)-2,3-Epoxyhexyloxy]phenyl 4-(decyloxy)benzoate 98% Smectic
363812 4-(Decyloxy)benzoic acid 98% Smectic
363820 4-(Undecyloxy)benzoic acid 98% Smectic
C79409 Cholesteryl stearate 96% Smectic