Propadienone

Propadienone
Names
	IUPAC name 1-Allenone; Methylene ketene;
Identifiers
CAS Number	61244-93-7;
3D model (JSmol)	Interactive image;
ChemSpider	126851;
PubChem CID	143780;
CompTox Dashboard (EPA)	DTXSID301032867 ;
	InChI InChI=1S/C3H2O/c1-2-3-4/h1H2 Key: TURAMGVWNUTQKH-UHFFFAOYSA-N;
	SMILES C=C=C=O;
Properties
Chemical formula	C3H2O
Molar mass	54.048 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Propadienone is an organic compound with molecular formula C₃H₂O consisting of a propadiene carbon framework with a ketone functional group. The structure of propadienone is not the same as propadiene or carbon suboxide.^[1]^{[clarification needed]} In propadienone, oxygen has +1 formal charge and C2 carbon has -1 formal charge.^[2]

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Names

IUPAC name 1-Allenone Methylene ketene
Identifiers
CAS Number	61244-93-7
3D model (JSmol)	Interactive image
ChemSpider	126851
PubChem CID	143780
CompTox Dashboard (EPA)	DTXSID301032867
InChI InChI=1S/C3H2O/c1-2-3-4/h1H2 Key: TURAMGVWNUTQKH-UHFFFAOYSA-N
SMILES C=C=C=O
Properties
Chemical formula	C₃H₂O
Molar mass	54.048 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references