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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
  • 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: What It Is, How It Works Safety
    Discover what methylene blue is, how it supports cellular energy and redox balance, and why pharmaceutical-grade purity matters Learn safely with Better Life Lab
  • Methylene: Learn Definition, Structure, Properties, Types Uses
    Learn all about methylene, its physical and chemical properties, common uses, and industrial applications in this comprehensive guide Also learn its structure etc
  • METHYLENE Definition Meaning - Merriam-Webster
    The meaning of METHYLENE is a divalent hydrocarbon group CH2 derived from methane
  • Methylene - NIST Chemistry WebBook
    Leopold, Murray, et al , 1985 Leopold, D G ; Murray, K K ; Miller, A E S ; Lineberger, W C , Methylene: A study of the X3B1 and the 1A1 states by photoelectron spectroscopy of CH2- and CD2-, J Chem Phys , 1985, 83, 4849 [all data]
  • How to Use Methylene Blue on Skin for Best Results
    Learn how to safely apply methylene blue to skin, choose the right concentration, minimize staining, and get the most out of its potential skin benefits
  • The Complete Methylene Blue Dosage Guide: How Much to Take, When, and
    The practical methylene blue dosage guide: body weight chart, first-week protocol, goal-based dosing, and critical SSRI interactions From 114,000+ customers' experience
  • 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





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