Methylene (compound) - Wikipedia
网页Methylene (IUPAC name: Methylidene, also called carbene or methene) is an organic compound with the chemical formula CH 2 (also written [CH 2]). It is a colourless gas that fluoresces in the mid-infrared range, and only persists in dilution, or as an adduct. Methylene is the simplest carbene.
甲烯 - 维基百科，自由的百科全书
网页甲烯（英語： Methylene ）在化學中是指由一個碳原子和兩個氫原子组成的化合物，又稱亞甲基或甲烯基 [2] ，其化學式為CH 2 。 在自然狀態下，不會存在甲烯，除非是在低溫、低壓的特殊狀態下，才可能有此種不穩定狀態的化合物。
Methylene group - Wikipedia
网页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 −CH2− or >CH2, where the '>' denotes the two bonds.
Methylene (CH2) - Structure, Molecular Mass, Properties and …
网页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 | CH2 | CID 123164 - PubChem
网页2021年10月14日 · CONTENTS. 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 - NIST Chemistry WebBook
网页Data from NIST Standard Reference Database 69: NIST Chemistry WebBook. The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment.
Methylene - Wikipedia
网页Methylene. Look up methylene in Wiktionary, the free dictionary. 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 (=CH 2), a part of a molecule connected to another atom by a double bond.
methylene是什么意思_methylene的翻译_音标_读音_用法_例句_爱 …
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Methylene group | chemical compound | Britannica
网页methyl group, one of the commonest structural units of organic compounds, consisting of three hydrogen atoms bonded to a carbon atom, which is linked to the remainder of the molecule. The methyl radical (CH 3), the methyl cation (CH +3), and the methyl anion (CH -3) 34 are transient intermediates in many chemical reactions. Other articles where ...
Illustrated Glossary of Organic Chemistry - Methylene group
网页Illustrated Glossary of Organic Chemistry - Methylene group. A portion of a molecular structure equivalent to methane minus two hydrogen atoms: -CH 2 -. The methyl ene carbon can be sp3 or sp2.