674-82-8 diketene
| ???? |
diketene |
| ?? ?? |
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; Acetylketene diketene |
| ??? |
C4H4O2 |
| ??? |
84.0734 |
| InChI |
InChI=1/C4H4O2/c1-4(6)2-3-5/h2H,1H3 |
| cas?? |
674-82-8 |
| EC?? |
211-617-1 |
| ?? ?? |
|
| ?? |
0.959g/cm3 |
| ?? ? |
-7.5℃ |
| ??? |
106.6°C at 760 mmHg |
| ?? ?? |
1.39 |
| ??? |
16.8°C |
| ??? |
28mmHg at 25°C |
| ??? ?? |
 Xn:Harmful;
|
| ??? ?? |
R10:;
R20:;
|
| ?? ?? |
S3:;
|
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