NTP 10th Report on Carcinogens. NCI Carcinogenesis Bioassay (feed); Clear Evidence: mouse, rat NCITR*    National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-92 ,1978. . Community Right-To-Know List. Reported in EPA TSCA Inventory.

DFG MAK: Animal Carcinogen, Suspected Human Carcinogen

The Hydrazobenzene with CAS registry number of 122-66-7 is also called Hydrazine,1,2-diphenyl-. The IUPAC name is 1,2-diphenylhydrazine. Its EINECS registry number is 204-563-5. In addition, the molecular formula is C₁₂H₁₂N₂ and the molecular weight is 184.24. It is a kind of yellow crystalline powder.

Physical properties about this chemical are: (1)ACD/LogP: 2.94; (2)ACD/LogD (pH 5.5): 2.94; (3)ACD/LogD (pH 7.4): 2.94; (4)ACD/BCF (pH 5.5): 100.69; (5)ACD/BCF (pH 7.4): 101.01; (6)ACD/KOC (pH 5.5): 943.92; (7)ACD/KOC (pH 7.4): 946.98; (8)#H bond acceptors: 2; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 3; (11)Polar Surface Area: 6.48 Å²; (12)Index of Refraction: 1.7; (13)Molar Refractivity: 60.4 cm³; (14)Molar Volume: 156.2 cm³; (15)Polarizability: 23.94 ×10^-24cm³; (16)Surface Tension: 52.5 dyne/cm; (17)Density: 1.179 g/cm³; (18)Flash Point: 87.7 °C; (19)Enthalpy of Vaporization: 46.59 kJ/mol; (20)Boiling Point: 229.3 °C at 760 mmHg; (21)Vapour Pressure: 0.07 mmHg at 25°C.

Preparation of Hydrazobenzene: it can be prepared by diphenyldiazene. This reaction is a kind of reduction reaction. And it will need reagents ultrasonically activated nickel and N₂H₄*H₂O, and solvents toluene and tetrahydrofuran. The reaction time is 5 minutes at reaction temperature of 20 °C. The yield is about 90.3%.

Uses of Hydrazobenzene: this chemical can be used to produce anti-inflammatory drugs in pharmaceutical industry and benzidine dyes. In addition, it can be used to get trans-diphenyldiazene and aniline. This reaction will need reagent hydrated HZSM-5. The reaction time is 30 minutes at reaction temperature of 150 °C. The yield is about 59%.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful if swallowed and may cause cancer. In addition, it is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. You should avoid exposure-obtain special instructions before use. During using it, you should avoid release to the environment. And you can refer to special instructions/safety data sheets. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.).

You can still convert the following datas into molecular structure:
(1)SMILES: c2(NNc1ccccc1)ccccc2
(2)InChI: InChI=1/C12H12N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10,13-14H
(3)InChIKey: YBQZXXMEJHZYMB-UHFFFAOYAR