en 1,2-Diformylhydrazine

1,2-Diformylhydrazine
Names
	Preferred IUPAC name N′-Formylformohydrazide
	Other names Diformohydrazide; Diformohydrazine; Bicarbamaldehyde
Identifiers
CAS Number	628-36-4;
3D model (JSmol)	Interactive image;
ChemSpider	11837;
ECHA InfoCard	100.010.037
EC Number	211-040-5;
PubChem CID	12342;
UNII	RM2E8R3N3L ;
CompTox Dashboard (EPA)	DTXSID8020468 ;
	InChI InChI=1S/C2H4N2O2/c5-1-3-4-2-6/h1-2H,(H,3,5)(H,4,6) Key: POVXOWVFLAAVBH-UHFFFAOYSA-N;
	SMILES O=CNNC=O;
Properties
Chemical formula	C2H4N2O2
Molar mass	88.066 g·mol−1
Appearance	White solid
Melting point	155–157 °C (311–315 °F; 428–430 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

1,2-Diformylhydrazine is the chemical compound with the formula N₂H₂(CHO)₂. It is a white, water-soluble solid. A related species is the monoformyl analog, called formic hydrazide (HCON₂H₃, 624-84-0 ).

As verified by X-ray crystallography, it is a planar molecule with N-N, N-C, and C=O distances of 1.38, 1.33 and 1.24 Å, respectively.^[1]

References

^ G. A. Jeffrey, J. R. Ruble, R. K. McMullan, D. J. DeFrees and J. A. Pople "Neutron diffraction at 15 K and ab initio molecular-orbital studies of the structure of N,N'-diformohydrazide" Acta Crystallogr. (1982). B38, 1508-1513. doi:10.1107/S0567740882006244.

[1] G. A. Jeffrey, J. R. Ruble, R. K. McMullan, D. J. DeFrees and J. A. Pople "Neutron diffraction at 15 K and ab initio molecular-orbital studies of the structure of N,N'-diformohydrazide" Acta Crystallogr. (1982). B38, 1508-1513. doi:10.1107/S0567740882006244.

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