1,2-Diformylhydrazine

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 ).

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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 Y
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 Â°C (311–315 Â°F; 428–430 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 Â°C [77 Â°F], 100 kPa). Infobox references

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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]