
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
甲烯 - 维基百科,自由的百科全书
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 (CH2) - Structure, Molecular Mass, Properties and …
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
2021年10月14日 · 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是什么意思_methylene的翻译_音标_读音_用法_例句_爱 …
爱词霸权威在线词典,为您提供methylene的中文意思,methylene的用法讲解,methylene的读音,methylene的同义词,methylene的反义词,methylene的例句等英语服务。
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.
亚甲基蓝 - 百度百科
亚甲基蓝,化学式为c16h18n3cls,是一种吩噻嗪盐,为深绿色青铜光泽结晶或粉末,可溶于水和乙醇,不溶于醚类。亚甲基蓝在空气中较稳定,其水溶液呈碱性,有毒。亚甲基蓝广泛应用于化学指示剂、染料、生物染色剂和药物等方面。 2017年10月27日,世界卫生组织国际癌症研究机构公布的致癌物清单 ...
methylidene和methylene有什么区别? - 知乎
2017年8月13日 · 而methylene指的是一般的二级碳(仲碳),两个孤电子分别和两个原子成键,比如 eg.1 methylene chloride,不需要强调chloride有两个,因为前面是 methylene ,默认有两个
methylene - 百度百科
methylene,英语单词,主要用作名词,作名词时译为“[有化] 亚甲基;甲叉”。
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.