CAS Number 50649-60-0
4-Pentylphenyl 4-propylbenzoate (PPPB), CAS number 50649-60-0, is a nematic liquid crystal with a chemical structure of 4-propylphenyl ester of 4-pentylphenyl.
Two relaxation times, τ1 and τ2, are observed in the nematic phase of 4-pentylphenyl 4-propylbenzoate which are the characteristic of Cole–Davidson model. Those relaxation times are interpreted as different degrees of freedom in different direction in liquid crystalline state.
Chemical structure of 4-Pentylphenyl 4-propylbenzoate, CAS 50649-60-0
| CAS Number | 50649-60-0 |
| Chemical Formula | C21H26O2 |
| Molecular Weight | 310.43 |
| Full Name | 4-Pentylphenyl 4-propylbenzoate |
| Synonyms |
3PEP5, PPPB, Pentylphenyl propylbenzoate 4-Amylphenyl 4′-propylbenzoate, 4-Propylbenzoic acid 4-pentylphenyl ester |
| Classification / Family | Phenyl Ester Liquid Crystals, Nematic Liquid Crystal |
| Purity | >97% (1HNMR) |
| Form | Colourless liquid |
| Density | 0.989 g/mL at 25 °C |
| Reflective Index | n20/D 1.543 |
| Melting Point | 15.0 - 18.0 °C |
| Solubility | Methanol |
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