1.Introduction of 4,4'-Diiodobiphenyl

4,4'-Diiodobiphenyl, with its CAS NO 3001-15-8, is a kind of white to pale-yellow powder. It has synonyms of Biphenyl,4,4'-diiodo-(6CI,7CI,8CI);4,4'-Diiodo-1,1'-biphenyl;1,1'-Biphenyl,4,4'-diiodo- and p,p'-Diiodobiphenyl. It should be sealed storage in shady and cool warehouse. This chemical is harmful by inhalation, in contact with skin and if swallowed.

2.Properties of 4,4'-Diiodobiphenyl

Molecular Formula: C12H8I2 Density: 2.041 g/cm3 Melting Point: 201-204 °C(lit.)Boiling Point: 380.9 °C at 760 mmHg Flash Point: 191.5 °CSensitive Light SensitiveIndex of Refraction: 1.697Molar Refractivity: 76.65 cm3Molar Volume: 198.8 cm3Surface Tension: 51.1 dyne/cm Enthalpy of Vaporization: 60.44 kJ/molVapour Pressure: 1.16E-05 mmHg at 25 °CXLogP3: 5.7Rotatable Bond Count: 1Exact Mass: 405.871536MonoIsotopic Mass: 405.871536

3.Structure descriptors of 4,4'-Diiodobiphenyl

SMILES: C1=CC(=CC=C1C2=CC=C(C=C2)I)IInChI: InChI=1S/C12H8I2/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10/h1-8HInChIKey: GPYDMVZCPRONLW-UHFFFAOYSA-NEINECS: 221-080-5

4.Safety profile of  4,4'-Diiodobiphenyl

Hazard Codes: Xn, Xi
Risk Statements: 20/21/22-37/38-36-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R37/38:Irritating to respiratory system and skin. 
R36:Irritating to eyes. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 36-37-26 
S36:Wear suitable protective clothing. 
S37:Wear suitable gloves. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 3152 9/PG 2
WGK Germany: 3
TSCA: T
HazardClass: 9
PackingGroup: II