Hydrazobenzene

Hydrazobenzene
Names
	Preferred IUPAC name 1,2-Diphenylhydrazine
	Other names N,N′-Diphenylhydrazine; N,N′-Bianiline;
Identifiers
CAS Number	122-66-7 ;
3D model (JSmol)	Interactive image ;
ChEMBL	ChEMBL558459 ;
ChemSpider	28962 ;
ECHA InfoCard	100.004.149
EC Number	204-563-5;
PubChem CID	31222 ;
UNII	1G3CS09TUK ;
UN number	2811
CompTox Dashboard (EPA)	DTXSID7020710 ;
	InChI InChI=1S/C12H12N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10,13-14H Key: YBQZXXMEJHZYMB-UHFFFAOYSA-N;
	SMILES c1ccc(cc1)NNc2ccccc2;
Properties
Chemical formula	C12H12N2
Molar mass	184.242 g·mol−1
Melting point	123–126 °C (253–259 °F; 396–399 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H350, H410
Precautionary statements	P203, P264, P270, P273, P280, P301+P317, P318, P330, P391, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated July 07, 2025

Hydrazobenzene (1,2-diphenylhydrazine) is an aromatic organic compound consisting of two aniline groups joined via their nitrogen atoms. It is an important industrial chemical used in the manufacture of dyes, pharmaceuticals, and hydrogen peroxide.^[2]

References

↑ "Hydrazobenzene". Sigma-Aldrich.
↑ "Hydrazobenzene" (PDF). Report on Carcinogens, Fourteenth Edition. National Toxicology Program, Department of Health and Human Services. Retrieved June 21, 2017.

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[1] "Hydrazobenzene". Sigma-Aldrich.

[2] "Hydrazobenzene" (PDF). Report on Carcinogens, Fourteenth Edition. National Toxicology Program, Department of Health and Human Services. Retrieved June 21, 2017.

[1]

[2]

Names

Preferred IUPAC name 1,2-Diphenylhydrazine
Other names N,N′-Diphenylhydrazine N,N′-Bianiline
Identifiers
CAS Number	122-66-7 ^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL558459
ChemSpider	28962
ECHA InfoCard	100.004.149
EC Number	204-563-5
PubChem CID	31222
UNII	1G3CS09TUK ^Y
UN number	2811
CompTox Dashboard (EPA)	DTXSID7020710
InChI InChI=1S/C12H12N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10,13-14H Key: YBQZXXMEJHZYMB-UHFFFAOYSA-N
SMILES c1ccc(cc1)NNc2ccccc2
Properties
Chemical formula	C₁₂H₁₂N₂
Molar mass	184.242 g·mol⁻¹
Melting point	123–126 °C (253–259 °F; 396–399 K)^[1]
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H350, H410
Precautionary statements	P203, P264, P270, P273, P280, P301+P317, P318, P330, P391, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references