Molecular Structure of 2-Chlorobiphenyl (CAS NO.2051-60-7):

EINECS: 218-125-6
IUPAC Name: 1-Chloro-2-phenylbenzene 
Molecular Formula: C₁₂H₉Cl
Molecular Weight: 188.652860 g/mol
XLogP3: 4.5
H-Bond Donor: 0
H-Bond Acceptor: 0
Canonical SMILES: C1=CC=C(C=C1)C2=CC=CC=C2Cl
InChI: InChI=1S/C12H9Cl/c13-12-9-5-4-8-11(12)10-6-2-1-3-7-10/h1-9H
InChIKey: LAXBNTIAOJWAOP-UHFFFAOYSA-N
Index of Refraction: 1.583
Molar Refractivity: 55.73 cm³
Molar Volume: 166.6 cm³
Surface Tension: 38.9 dyne/cm
Density: 1.131 g/cm³
Melting Point: 32-34 °C
Flash Point: 129.5 °C
Enthalpy of Vaporization: 50.25 kJ/mol
Boiling Point: 284.5 °C at 760 mmHg
Vapour Pressure: 0.00509 mmHg at 25 °C
Water Solubility: 6.122 mg/L at 25 °C

Safety Information of 2-Chlorobiphenyl (CAS NO.2051-60-7):
Hazard Codes: Xi ,N 
Hazard Note: Irritant
Risk Statements: 33-50/53
R33:Danger of cumulative effects
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 35-60-61
S35:This material and its container must be disposed of in a safe way
S60:This material and its container must be disposed of as hazardous waste
S61:Avoid release to the environment. Refer to special instructions / safety data sheets
RIDADR: 3077
RTECS: DV2065000
HazardClass: 9
PackingGroup: III
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of Cl⁻.

   2-Chlorobiphenyl with CAS registry number of 2051-60-7 is also known as 2-Chloro-1,1'-biphenyl ; 2-Chlorodiphenyl ; 2-Monochlorobiphenyl ; NSC 67354 ; o-Chlorobiphenyl ; o-Chlorodiphenyl ; 1,1'-Biphenyl, 2-chloro- ; 1,1'-Biphenyl, 2-chloro- (9CI) ; Biphenyl, 2-chloro- .