Basic information
CAS NO
674-82-8
EINECS
211-617-1
Molecular Formula
C4H4O2
Molecular Weight
84.0734
English Name
diketene
Synonyms
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
Physical and Chemical Properties
Density
0.959g/cm3
Refractive index
1.39
Melting point
-7.5℃
Boiling point
106.6°C at 760 mmHg
Flash point
16.8°C
Vapour Pressure
28mmHg at 25°C
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