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formaldehyde    音标拼音: [fɔrm'ældəh,ɑɪd] [fɚm'ældəh,ɑɪd]
n. 甲醛,蚁醛

甲醛,蚁醛

formaldehyde
n 1: a colorless poisonous gas; made by the oxidation of
methanol [synonym: {formaldehyde}, {methanal}]

Formaldehyde \For*mal"de*hyde\, n. [Formic aldehyde.] (Chem.)
A colorless, volatile liquid, {H2CO}, resembling acetic or
ethyl aldehyde, and chemically intermediate between methyl
alcohol and formic acid.
[1913 Webster]


Aldehyde \Al"de*hyde\ ([a^]l"d[-e]*h[imac]d), n. [Abbrev. fr.
alcohol dehydrogenatum, alcohol deprived of its hydrogen.]
1. (Chem.) A colorless, mobile, and very volatile liquid
obtained from alcohol by certain processes of oxidation.
[1913 Webster]

2. (Chem.) Any compound having the group {-CHO}. Methyl
aldehyde, the simplest aldehyde, is more commonly called
formaldehyde, {H-CHO}, and acetic aldehyde is now more
commonly called {acetaldehyde}. The higher aldehydes may
be solids. A {reducing sugar} typically contains the
aldehyde group.
[PJC]

Note: The aldehydes are intermediate between the alcohols and
acids, and differ from the alcohols in having two less
hydrogen atoms in the molecule, as common aldehyde
(called also {acetaldehyde}, {acetic aldehyde} or
{ethyl aldehyde}), {C2H4O}; methyl aldehyde (called
also {formaldehyde}), {CH2O}.
[1913 Webster PJC]

{Aldehyde ammonia} (Chem.), a compound formed by the union of
aldehyde with ammonia.
[1913 Webster]

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  • Formaldehyde - Wikipedia
    When produced in the atmosphere by the action of sunlight and oxygen on atmospheric methane and other hydrocarbons, it becomes part of smog Formaldehyde has also been detected in outer space
  • Formaldehyde: Toxicity, Everyday Exposure, Cancer Risk
    Formaldehyde is a colorless, flammable, toxic gas found in many everyday products, posing health risks even at low levels Understanding its sources and effects can help you minimize exposure and protect your health Formaldehyde naturally occurs in living organisms and some foods
  • Facts About Formaldehyde - US EPA
    Formaldehyde is a chemical used widely by industry to manufacture building materials and numerous household products It is also a by-product of combustion and certain other natural processes
  • Formaldehyde - US EPA
    Information on formaldehyde and the regulation of formaldehyde emissions from composite wood products under the Formaldehyde Standards for Composite Wood Products Act in the Toxic Substances Control Act (TSCA)
  • Formaldehyde | Public Health Statement | ATSDR
    When you breathe air containing formaldehyde, most of the formaldehyde is quickly broken down in the cells lining your respiratory tract and breathed out Only at high levels does formaldehyde enter your blood
  • Formaldehyde and Cancer Risk - NCI
    A fact sheet that discusses formaldehyde and its possible association with cancer Includes resources for more information
  • Formaldehyde and Cancer Risk - American Cancer Society
    Formaldehyde is a colorless, strong-smelling chemical used in some building materials and household products Learn about formaldehyde and cancer risk here
  • Formaldehyde | 50-00-0 - ChemicalBook
    Formaldehyde is a colorless, flammable gas with a distinctive pungent odor It is the simplest aldehyde, which is a class of organic compounds with the carbonyl group bonded to at least one hydrogen atom
  • Formaldehyde - Simple English Wikipedia, the free encyclopedia
    Formaldehyde (or methanal) is an organic chemical compound with the formula CH2O It is the simplest aldehyde It is a colorless gas with a strong smell Like other aldehydes, it is flammable and toxic [1] Its main application is as a disinfectant It is a biocide, this means it can kill most bacteria and fungi





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