éthanal - definição. O que é éthanal. Significado, conceito
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O que (quem) é éthanal - definição

CHEMICAL COMPOUND
Ethanal; Ethyl aldehyde; Acetylaldehyde; Acetyl aldehyde; Acetic aldehyde; Acetic ethanol; Acetic Aldehyde; Ch3cho; Acid aldehyde; CH3CHO
  • Conversion of acetaldehyde to [[1,1-diethoxyethane]], R<sup>1</sup> = CH<sub>3</sub>, R<sup>2</sup> = CH<sub>3</sub>CH<sub>2</sub>
  • Tautomeric equilibrium between acetaldehyde and vinyl alcohol.
  • Production of Acetaldehyde

ethanal         
['??(?)nal]
¦ noun systematic chemical name for acetaldehyde.
Origin
C19: blend of ethane and aldehyde.
acetaldehyde         
[?as?t'ald?h??d]
¦ noun Chemistry a colourless volatile liquid aldehyde obtained by oxidizing ethanol; ethanal.
Acetaldehyde         
·noun Acetic aldehyde. ·see Aldehyde.

Wikipédia

Acetaldehyde

Acetaldehyde (IUPAC systematic name ethanal) is an organic chemical compound with the formula CH3CHO, sometimes abbreviated by chemists as MeCHO (Me = methyl). It is a colorless liquid or gas, boiling near room temperature. It is one of the most important aldehydes, occurring widely in nature and being produced on a large scale in industry. Acetaldehyde occurs naturally in coffee, bread, and ripe fruit, and is produced by plants. It is also produced by the partial oxidation of ethanol by the liver enzyme alcohol dehydrogenase and is a contributing cause of hangover after alcohol consumption. Pathways of exposure include air, water, land, or groundwater, as well as drink and smoke. Consumption of disulfiram inhibits acetaldehyde dehydrogenase, the enzyme responsible for the metabolism of acetaldehyde, thereby causing it to build up in the body.

The International Agency for Research on Cancer (IARC) has listed acetaldehyde as a Group 1 carcinogen. Acetaldehyde is "one of the most frequently found air toxins with cancer risk greater than one in a million".