中医古籍
  • 《医用化学》 二、炔烃的物理性质

    在正炔烃的同系列中,C2~C4的炔烃是气体,C5~C15的是液体,C15以上的是固体。炔烃的熔点和沸点也随着碳原子数目的增加而增高(表11-5)。

    表11-5炔烃的物理常数

    名称构造式熔点/℃沸点/℃相对密度(d204)乙炔HC≡CH-81.8-83.6-丙炔CH3C≡CH-101.51-23.2-1-丁炔CH3CH2C≡CH-122.58.1-2-丁炔CH3C≡CCH3-32.3270.6911-戊炔CH3(CH2)C≡CH-9029.30.6952-戊炔CH3CH2C≡CH-10155.50.7141-己炔CH3(CH2)3C≡CH-132710.7152-己炔CH3(CH2)2C≡CH-88840.7303-己炔CH3CH2C≡CCH3-5181.80.7241-庚炔CH3(CH2)4C≡CH-811000.7342-庚炔CH3(CH2)3C≡CCH3-1120.7483-庚炔CH3(CH2)2C≡CCH3-1050.7521-辛炔CH3(CH2)5C≡CH-80125.20.7462-辛炔CH3(CH2)4C≡CCH3-60.2137.20.7593-辛炔CH3(CH2)C≡CCH2CH3-1051330.7524-辛炔CH3 (CH2) 2C≡C(CH2)2CH3-1021310.7511-壬炔CH3(CH2)6C≡CH-65160.70.7602-壬炔CH3(CH2)5C≡CCH3-1557470.7693-壬炔CH3(CH2)4C≡CCH2CH3-1547450.7624-壬炔CH3(CH2)3C≡C(CH2)2CH3-1527520.7571-癸炔CH3(CH2)7C≡CH-440.7653-癸炔CH3(CH2)5C≡CCH2CH3-0.765
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