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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 (IUPAC name: methylidene, also called carbene or methene) is an organic compound with the chemical formula CH 2 (also written [CH 2 ] and not to be confused with compressed hydrogen , which is also denoted CH
  • What to know about methylene blue - Harvard Health
    (If you search for “methylene blue” on Amazon, for instance, you could end up inadvertently purchasing fish tank cleaner, as methylene blue is also used as an antifungal aquarium disinfectant ) The blue tonic on so many people’s lips has other significant risks For instance, methylene blue is a monoamine oxidase (MAO) inhibitor, a type
  • 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 | 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, Benefits, and Risks - GoodRx
    Methylene blue is a diagnostic dye and FDA-approved treatment for methemoglobinemia Learn what else methylene blue is used for, plus the risks, at GoodRx
  • 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 CH 2 Methylene is fluid-like chloroform in appearance and odour, but differing in its boiling point and its specific gravity
  • 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 An older name for methylidene group (=CH 2 ), a part of a molecule connected to another atom by a double bond
  • 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] The group may be represented as −CH 2 − or >CH 2 , where the '>' denotes the two bonds
  • The Science and Benefits of Methylene Blue
    What Is Methylene Blue? At its core, methylene blue is a synthetic compound originally developed as a dye in the late 1800s Over time, it found significant applications in medicine, particularly for its antimicrobial properties
  • Methylene (compound) - Wikiwand
    Methylene is an organic compound with the chemical formula CH2 It is a colourless gas that fluoresces in the mid-infrared range, and only persists in dilution,





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