DEX » IUPAC Compendium of Chemical Terminology and Organic Nomenclature » acroleină

Acrolein

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noun (chemistry / toxicology / biochemistry)

Definition

A volatile, colorless or yellowish liquid with an extremely pungent, suffocating, and tear-inducing odor, with the chemical formula CH2=CH-CHO; propenal. It is a highly toxic unsaturated aldehyde formed by the dehydration of glycerol.

Bilingual Equivalents

  • Acrolein
  • Acrylic aldehyde

Grammatical & Source Details

Inflection Type Feminine singular noun acting primarily as an uncountable mass noun within industrial and laboratory reports.
Formation Neologistic chemical term derived from French 'acroléine', originally rooted in Latin descriptive components.
Spelling / Pronunciation [a.kro.le.ˈi.nə]
Source IUPAC Compendium of Chemical Terminology and Organic Nomenclature

Contextual Usage Examples

RO: Supraîncălzirea uleiului de gătit peste punctul de fum degajă acroleină, un compus iritant pentru căile respiratorii.

EN: Overheating cooking oil past its smoke point releases acrolein, a compound irritating to the respiratory tract.

RO: Laboratorul a determinat concentrația de acroleină din eșantionul de gaze industriale folosind cromatografia.

EN: The laboratory determined the concentration of acrolein in the industrial gas sample using chromatography.

RO: Inhalarea cronică de acroleină din fumul de țigară contribuie la deteriorarea structurală a țesutului pulmonar.

EN: Chronic inhalation of acrolein from cigarette smoke contributes to the structural damage of lung tissue.

Idioms & Phrases

Vapori de acroleină / Acrolein vapors / propenal gas

RO: Emanații gazoase extrem de iritante pentru ochi și plămâni, capabile să provoace lăcrimare intensă și tuse violentă.

EN: Gaseous emanations highly irritating to the eyes and lungs, capable of causing intense lacrimation and violent coughing.

Sinteză de acroleină / Acrolein synthesis / industrial oxidation of propylene

RO: Proces tehnologic de obținere la scară largă a propenalului prin oxidarea catalitică a propilenei în fază gazoasă.

EN: A large-scale technological process of obtaining propenal through the catalytic gas-phase oxidation of propylene.

Toxicitate prin acroleină / Acrolein toxicity / aldehyde exposure

RO: Efect patologic celular sever indus de capacitatea moleculei de a se lega de proteine și de a induce stres oxidativ masiv.

EN: A severe cellular pathological effect induced by the molecule's capacity to bind to proteins and induce massive oxidative stress.

Keywords

#acroleină #acrolein #propenal #chemistry #toxicology #aldehyde #glycerol dehydration #acrylic polymer
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