Molecule structure of 4-Amino-4'-nitrobiphenyl (CAS NO.1211-40-1) :

IUPAC Name: 4-(4-nitrophenyl)aniline 
Molecular Weight: 214.22 g/mol
Molecular Formula: C₁₂H₁₀N₂O₂
Density: 1.268 g/cm³
Melting Point: 204 °C
Boiling Point: 388.7 °C at 760 mmHg
Flash Point: 188.9 °C
Molar Volume: 168.8 cm³
Polarizability: 24.43*10^-24 cm³
Surface Tension: 56 dyne/cm 
Enthalpy of Vaporization: 63.8 kJ/mol
Vapour Pressure: 3E-06 mmHg at 25 °C
XLogP3: 1.9
H-Bond Donor: 1
H-Bond Acceptor: 3
Rotatable Bond Count: 1
Exact Mass: 214.074228
MonoIsotopic Mass: 214.074228
Topological Polar Surface Area: 69.2
Heavy Atom Count: 16
Complexity: 236
Canonical SMILES: C1=CC(=CC=C1C2=CC=C(C=C2)[N+](=O)[O-])N
InChI: InChI=1S/C12H10N2O2/c13-11-5-1-9(2-6-11)10-3-7-12(8-4-10)14(15)16/h1-8H,13H2
InChIKey: BOFVBIYTBGDQGY-UHFFFAOYSA-N
Product Categories: Biphenyls (for High-Performance Polymer Research); Functional Materials; Organic Nonlinear Optical Materials; Reagent for High-Performance Polymer Research

Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x.
Risk Statements: 20/21/22
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements: 22-36/37/39
S22: Do not breathe dust
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RTECS: DV0350000

 4-Amino-4'-nitrobiphenyl (CAS NO.1211-40-1) is also called AKOS AUF02004; [1,1'-Biphenyl]-4-amine, 4'-nitro- ; 4'-Nitro-4-biphenylamin ; 4'-Nitro[1,1'-biphenyl]-4-amine . 4-Amino-4'-nitrobiphenyl (CAS NO.1211-40-1) is toxic. It is flammable. It will produce toxic nitrogen oxide fumes when buring. So the storage environment should be ventilate, low-temperature and dry.