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4-Pentylphenyl 4-Methoxybenzoate

CAS Number 38444-13-2

Liquid Crystals, Optoelectronic Materials


Product Code M2363A1-25g
Price $263 ex. VAT

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4-Pentylphenyl 4-methoxybenzoate (Nematal 105), liquid crystal (nematic)

Liquid crystal for the application of optical electronics i.e. in liquid-crystal display (LCD).


4-Pentylphenyl 4-methoxybenzoate (PPMB), also known as Nematal 105,  is a nematic liquid crystal slightly above room temperature with a chemical structure of 4-methoxyphenyl ester of 4-pentylphenyl.

4-Pentylphenyl 4-methoxybenzoate can act as a host material for luminophores such as N,N′-Bis(2,6-dimethylphenyl)perylene-3,4,9,10-tetracarboxylic diimide (PDI). When PDI is dissolved in the liquid crystal host to an approximate concentration of 10-5 M. PDI molecules are successfully aligned within a nematic liquid crystal. The homeotropic alignment leads to decreased surface losses, despite increased absorption when illuminated through the narrow edges. 4-Pentylphenyl 4-methoxybenzoate can also be used as a achiral host of chiral compounds which induce a helical ordering and thus create a chiral nematic phase, the so called chiral nematic liquid crystal with helical structures.

Nematic liquid crystal

Nematic liquid crystal

With phenylbenzoate core

Host materials

Host materials

For luminophores

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High purity

High purity

>98% High purity

Chemical Structure

4-Pentylphenyl 4-methoxybenzoate chemical structure, 38444-13-2
Chemical structure of 4-Pentylphenyl 4-methoxybenzoate (Nematal 105), CAS 38444-13-2

General Information

CAS Number 38444-13-2
Chemical Formula C19H22O3
Molecular Weight 298.38
Full Name 4-Pentylphenyl 4-methoxybenzoate
Synonyms PPMB, Nematal 105, Pentylphenyl methoxybenzoate, >4-n-Pentylphenyl p-anisate, 4-Amylphenyl 4′-methoyxbenzoate, 4-Methoxybenzoic Acid 4-Pentylphenyl Ester
Classification / Family Phenyl Ester Liquid Crystals, Nematic Liquid Crystals.

Product Details

Purity >98% (1HNMR)
Form White powder/crystals
Melting Point 29.0 °C
Solubility Methanol

MSDS Documentation

4-Pentylphenyl 4-methoxybenzoate MSDS4-Pentylphenyl 4-methoxybenzoate MSDS Sheet

Pricing

Batch Quantity Price
M2363A1 25 g £210
M2363A1 50 g
£340
M2363A1 100 g £560

Literature and Reviews

  1. Induced Homeotropic Alignment of Nematic Liquid Crystals by Doping Side-on Carbosilane-based Oligomers, K. Kaneko et al., Chem. Lett., 47 (9), 1180-1183 (2018); DOI: 10.1246/cl.180509.
  2. “Colored” inorganic dopants for inducing liquid crystal chiral nematic and blue phases: monitoring of dopant–host interaction by Raman spectroscopy, J. Yoshida et al., Chem. Commun., 53, 5103-5106 (2017); DOI: 10.1039/C7CC01920C.
  3. Towards an aligned luminophore solar concentrator, R. MacQueen et al., Opt. Express, 18, A161-A166 (2010); DOI: 10.1364/OE.18.00A161.
  4. A General Control Strategy to Micropattern Topological Defects in Nematic Liquid Crystals Using Ionically Charged Dielectric Surface, Y. Sasaki et al., Adv. Mater. Interfaces, 8(11), 2100379 (2021); DOI:10.1002/admi.202100379.

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.

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