p-Ethoxybenzoic acid
p-Ethoxybenzoic acid is a natural product.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Journal of Structural Chemistry, 2008 , 49 (6) :1137-1140.
Single crystal XRD study of 4,4′-dipyridyl — p-ethoxybenzoic acid and N,N′-dipyridylpiperazine — p-ethoxybenzoic acid co-crystals: Direct evidence of H-bond interaction in the corresponding liquid-crystalline mesogenic phases[Reference:
WebLink]
METHODS AND RESULTS:
Supramolecular H-bonded complexes formed between p-Ethoxybenzoic acid and 4,4′-dipyridyl or N,N′-dipyridylpiperazine were obtained as nematic liquid-crystalline phases. The corresponding crystals suitable for single crystal X-ray analysis were isolated and investigated. The stoichiomtery of complex 1 is (4,4′-dipyridyl)-2(p-Ethoxybenzoic acid) and that of complex 2 is (N,N′-dipyridylpiperazine)-2(p-Ethoxybenzoic acid).
CONCLUSIONS:
The molecular packing observed in the crystal structures investigated indicates that the mesogenic phases of the complexes are induced by H-bond interactions.
