Aldéhydes

4-(2-Propynyloxy)benzenecarboxaldehyde is an organic chemical compound that is classified as a copper complex. This molecule has been shown to have antibacterial properties against P. aeruginosa and other bacteria. It also possesses a constant antibacterial activity in both acidic and neutral pH conditions, which makes it an efficient method of treatment for bacterial infections. 4-(2-Propynyloxy)benzenecarboxaldehyde has been shown to inhibit the growth of P. aeruginosa by binding to the DNA gyrase enzyme and stopping its function, thus inhibiting bacterial replication. 4-(2-Propynyloxy)benzenecarboxaldehyde also inhibits the synthesis of proteins in neuronal cells, which may be due to its ability to react with carbonyl groups in proteins.

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Stability Air Sensitive
Applications Oct-7-enal is a useful research chemical, an aliphatic aldehyde isolated from the roots of Cirsium Cipsacolepis.
References Takano, S., et al.: Phytochemistry, 26, 435 (1987); Halle, M. B., et al.: RSC Adv., 4, 63342 (2014)

Stability Light Sensitive, Temperature Sensitive
Applications (2E,4E,6E)-2,4,6-Nonatrienal is an unsaturated aldehyde that is a natural volatile constituent of aggregation pheromones produced by male flea beetles. (2E,4E,6E)-2,4,6-Nonatrienal is also found in licorice root, one of the widely used herbs for its
References Zilkowski, B., et al.: J. Agr. Food Chem., 56, 4982 (2008)

Applications 2-Propyl-2-heptenal is an alkene shown as an metabolic by-product of unsaturated fatty acids metabolism to oxylipins.
References Montanari, C., et al.: J. App. Microbiol., 115, 1388 (2013);

Applications N,N,N-Tributyl-1-butanaminium Salt with (E)-3-Hydroxy-2-propenal is a useful reagent for preparation of crystalline (±)​-​fecapentaene.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Pfaendler, H., et al.: J. Am. Chem. Soc., 108, 1338 (1986);

Stability Light Sensitive
Applications (E,E)-5-[4-(Diethylamino)phenyl]penta-2,4-dienal is used in polymerization process.
References Innocenzi, P., et al.: J. Mater Chem., 15, 3821 (2005), Cai, Y., et al.: Polymer, 2006, 47, 6560 (2006),