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nature : formylthiophene with alkyl and alkyl (or hydrogen) between the compounds. That carbonyl> C = O 2 flight, an alkyl connectivity, another link with hydrogen compounds. Usually under alkyl structure divided into : (a) aliphatic aldehydes, Aldehyde and lipid (environment) alkyl (or hydrogen atom) connectivity, such as HCHO formaldehyde, acetaldehyde CH3 CHO; (2) aromatic aldehydes, and Aldehyde-fang ( incense) alkyl connectivity, such as benzaldehyde C6H5CHO, PHENYLACETALDEHYDE C6H5CH2CHO so. Formaldehyde is a gas, and the rest is liquid or solid. The chemical nature very lively, with sodium bisulfate, hydrogen, ammonia with Reaction, weak and susceptible to oxidation oxidizer into the corresponding carboxylic acid. Many aldehydes with industrial value, such as formaldehyde resins used to the system, acetaldehyde to acetic acid, furfural system fibers, synthetic rubber.
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