674-82-8结构式
diketene
diketen; Ketenedimer,99%; Ketene Dimer; DK; Acetyl ketene; 4-Methylene-2-oxetanone; But-3-en-3-olide; 4-methylideneoxetan-2-one; but-1-ene-1,3-dione
211-617-1
C4H4O2
84.0734
-7.5℃
106.6°C at 760 mmHg
28mmHg at 25°C
16.8°C
