
Thiophene - Wikipedia
Thiophene is a heterocyclic compound with the formula C 4 H 4 S. Consisting of a planar five-membered ring, it is aromatic as indicated by its extensive substitution reactions. It is a colorless liquid with a benzene -like odor. In most of its reactions, it resembles benzene.
噻吩 - 百度百科
噻吩(Thiophene),化学名称为1-硫杂-2,4-环戊二烯,是一种杂环化合物,也是一种硫醚。 分子式C4H4S。 在常温下,噻吩是一种无色、有恶臭、能催泪的液体。
噻吩 - 维基百科,自由的百科全书
噻 ( sāi ) 吩 ( (吩咐的吩) ) (英語: Thiophene )是杂环化合物,化学式C 4 H 4 S。 由平面五元环组成,其广泛的取代反应表明它有 芳香性 。 它是无色液体,气味似 苯 。
Thiophene | C4H4S | CID 8030 - PubChem
Thiophene is a monocyclic heteroarene that is furan in which the oxygen atom is replaced by a sulfur. It has a role as a non-polar solvent. It is a mancude organic heteromonocyclic parent, a member of thiophenes, a monocyclic heteroarene and a volatile organic compound.
噻吩 CAS#: 110-02-1 - ChemicalBook
2025年3月24日 · 噻吩是含一个硫杂原子的五元杂环化合物,在煤焦油制得的粗苯中少量存在,具有类似苯芳香气味的无色液体,沸点为84℃,不溶于水,能与乙醇、乙醚、丙酮、苯、四氯化碳、庚烷、吡啶、1,4-二氧六环等混溶。 易燃。 耐热性强,加热至850℃而不分解。 在强酸条件下不聚合,不分解,也不易被氧化。 有中等程度毒性。 噻吩环上的5个原子均为sp2杂化,处于同一平面,硫原子的一对未共用电子占据的p轨道与4个碳原子的p轨道平行且重叠,形成5原子6电子 …
Thiophene | 110-02-1 - ChemicalBook
2025年2月27日 · Thiophene is five-member heterocyclic compounds containing a sulfur atom and is presented at coal tar crude benzene at small amounts. It is a kind of colorless liquid having similar order as benzene aromatic with the boiling point being 84 °C.
Thiophene = 99 110-02-1 - MilliporeSigma
Thiophene is an essential precursor to synthesize a wide range of conjugated organosulfur moieties, sulfur-containing polycyclic aromatic hydrocarbons, macrocycles, and pharmaceutical compounds.
噻吩_化工百科 - ChemBK
用于制取合成药物(如噻乙吡啶、噻嘧啶及先锋霉素等)、染料、塑料等。 还可用作铀等金属的提取分离试剂。 有毒,有类似苯的强烈刺激性气味。 经皮肤吸收或吸入其蒸气均可引起中毒。 主要是刺激中枢神经,对血液毒性强度均为苯的1/5。 对家兔的皮下注射MLD 830mg/kg。 小白鼠吸入30mg/L,可在20~80 min内死亡。 生产过程中应注意设备密闭,防止泄漏。 应加强现场通风。 操作人员应穿戴防护用具,避免与人体直接接触。 工作场所空气中最大容许浓度0. 02mg/L。 本 …
Thiophenes - Chemistry Online
2024年4月22日 · Thiophene is an electron-rich aromatic compound. Its resonance energy is approximately equal to that of pyrrole, and much higher than that of furan. It is found in nature in certain plant products, and is a component of many pharmaceuticals and synthetic dyes.
Thiophene_化工百科 - ChemBK
Thiophene - 制法 可信数据 将苯的混合馏分精馏除去甲苯,然后用原料量5%的85%硫酸洗涤,以除去不饱和化合物;再以原料量7%的98%硫酸洗涤,将酸液与苯分离,酸液经水解,即得含量95%的噻吩。