丙二烯





















































































丙二烯





IUPAC名
1,2-丙二烯
识别

CAS号
463-49-0  ✓

PubChem
10037

ChemSpider
9642

SMILES


Beilstein
 1730774

Gmelin
 860

UN编号
 2200

EINECS
207-335-3

ChEBI
37601

MeSH
Propadiene
性质

熔点
 -136 °C（137 K）

沸点
 -34 °C（239 K）

log P
 1.45
性质

化学式
C3H4

摩尔质量
 40.031300128 g·mol⁻¹
外观
 無色氣體

熔点
 -136 °C

沸点
 -34 °C
若非注明，所有数据均出自一般条件（25 ℃，100 kPa）下。

丙二烯是一种有机化合物，结构简式为H2C=C=CH2。它是最常见的累积二烯烃，有连续的两个碳碳双键。它是一种常用的工业燃气，常被用在焊接上。



与丙炔的互相转换


丙二烯与丙炔的混合物可以使碳碳双键保持稳定，这种混合物叫MAPP。


H3CC≡CH ⇌ H2C=C=CH2



参考资料



  • WILEY ONLINE LIBRARY

  • IUPAC GOLD BOOK






























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烯烴

單烯烴

C2H4 · C3H6 · C4H8 · C5H10 · C6H12 · C7H14 · C8H16
二烯烴

C3H4 · C4H6 · C5H8
多烯烴
C6H8
環烯烴

C3H4 · C4H6 · C5H8 · C6H10 · 更多



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