1,2-Dinitrobenzene

1,2-Dinitrobenzene is an organic compound with the formula C6H4(NO2)2. It is one of three isomers of dinitrobenzene. The compound is a white or colorless solid that is soluble in organic solvents. It is prepared from 2-nitroaniline by diazotization and treatment with sodium nitrite in the presence of a copper catalyst.[1]

1,2-Dinitrobenzene
Names
Preferred IUPAC name
1,2-Dinitrobenzene
Other names
ortho-dinitrobenzene
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.007.666
EC Number
  • 208-431-8
RTECS number
  • CZ7450000
UNII
UN number 3443 1597
  • InChI=1S/C6H4N2O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H
    Key: IZUKQUVSCNEFMJ-UHFFFAOYSA-N
  • C1=CC=C(C(=C1)[N+](=O)[O-])[N+](=O)[O-]
Properties
C6H4N2O4
Molar mass 168.108 g·mol−1
Appearance white solid
Density 1.565 g/cm3
Melting point 118 °C (244 °F; 391 K)
Boiling point 318 °C (604 °F; 591 K)
Hazards
GHS labelling:
GHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Danger
H300, H310, H330, H373, H410
P260, P262, P264, P270, P271, P273, P280, P284, P301+P310, P302+P350, P304+P340, P310, P314, P320, P321, P322, P330, P361, P363, P391, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References
  1. E. B. Starkey (1939). "p-Dinitrobenzene". Org. Synth. 19: 40. doi:10.15227/orgsyn.019.0040.
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