674-82-8 diketene
| product Name |
diketene |
| CAS No |
674-82-8 |
| 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; Acetylketene diketene |
| Molecular Formula |
C4H4O2 |
| Molecular Weight |
84.0734 |
| InChI |
InChI=1/C4H4O2/c1-4(6)2-3-5/h2H,1H3 |
| EINECS |
211-617-1 |
| Molecular Structure |
|
| Density |
0.959g/cm3 |
| Melting point |
-7.5℃ |
| Boiling point |
106.6°C at 760 mmHg |
| Refractive index |
1.39 |
| Flash point |
16.8°C |
| Vapour Pressur |
28mmHg at 25°C |
| Hazard Symbols |
Xn:Harmful;
|
| Risk Codes |
R10:;
R20:;
|
| Safety Description |
S3:;
|
|
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