| Identification | |
| Name: | (~2~H_2_)ethenone |
| Synonyms: | 4789-21-3;Ketene-d2;(2H2)ethenone;2,2-dideuterioethenone;AC1L3CM4 |
| CAS: | 4789-21-3 |
| Molecular Formula: | C2D2O |
| Molecular Weight: | 44.049 |
| InChI: | InChI=1/C2H2O/c1-2-3/h1H2/i1D2 |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | °C |
| Boiling Point: | °Cat760mmHg |
| Density: | 0.746g/cm3 |
| Refractive index: | 1.303 |
| Flash Point: | °C |
| Safety Data | |
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