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methylene    音标拼音: [m'ɛθɪl,in]
n. 亚甲基

亚甲基

methylene
n 1: the bivalent radical CH2 derived from methane [synonym:
{methylene group}, {methylene radical}, {methylene}]

Methylene \Meth"yl*ene\, n. [F. m['e]thyl[`e]ne, from Gr. ? wine
? wood; -- a word coined to correspond to the name wood
spirit.] (Chem.)
A divalent hydrocarbon radical, {-CH2-}, not known in the
free state, but regarded as an essential residue and
component of certain derivatives of methane; as, methylene
bromide, {CH2Br2}; -- formerly called also {methene}.
[1913 Webster]

{Methylene blue} (Chem.), an artificial dyestuff consisting
of a complex sulphur derivative of diphenyl amine; --
called also {pure blue}.
[1913 Webster]


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  • Methylene (compound) - Wikipedia
    Methylene is also used as the trivial name for the substituent groups methanediyl (>CH 2), and methylidene (=CH 2) It was introduced as early as 1835 by French chemists Jean-Baptiste Dumas and Eugene Peligot after determining methanol 's chemical structure
  • What to know about methylene blue - Harvard Health
    Once used to dye cotton and treat malaria, methylene blue is gaining attention for a variety of off-label uses Learn where it started, how it works, and what the evidence says about its safety and health benefits
  • Methylene | CH2 | CID 123164 - PubChem
    Methylene | CH2 | CID 123164 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Methylene Blue: Uses, Dosage, Side Effects, Warnings - Drugs. com
    Methylene blue is an oxidation-reduction agent used to treat methemoglobinemia, a condition where hemoglobin is oxidized, impairing its ability to carry oxygen Methylene blue works by reducing the oxidized hemoglobin, converting it back to hemoglobin so that it can carry oxygen properly again
  • Methylene group - Wikipedia
    A methylene group is any part of a molecule that consists of two hydrogen atoms bound to a carbon atom, which is connected to the remainder of the molecule by two single bonds [1]
  • Methylene blue benefits: Medical, anti-aging, and more
    This article looks at what methylene blue is, its uses and potential benefits, and the dosage and safety of the substance
  • Methylene - Wikipedia
    Methylene may refer to: Methylene group or methylene bridge (CH 2 < or equivalently −CH 2 −), a part of a molecule connected to the rest of the molecule by two single bonds
  • Methylene Blue: How It Works - WebMD
    Methylene blue (ProvayBlue) is a medication that treats a rare blood condition called methemoglobinemia Find out how it works, who it’s for, side effects, and more
  • What is Methylene? - BYJUS
    What is Methylene? Methylene is a diatomic radicle forming ethers analogous to those of ethylene The chemical formula of methylene is CH2 Methylene is fluid-like chloroform in appearance and odour, but differing in its boiling point and its specific gravity
  • Methylene - (Organic Chemistry) - Vocab, Definition, Explanations . . .
    Understanding methylene's role is essential in areas like NMR spectroscopy and reactions involving carbonyl compounds Methylene groups are common in organic compounds and significantly impact their chemical behavior, especially in reactions involving double bonds





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