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| CAS No.: | 92-86-4 |
|---|---|
| Name: | 4,4'-Dibromobiphenyl |
| Article Data: | 162 |
| Molecular Structure: | |
|
|
|
| Formula: | C12H8Br2 |
| Molecular Weight: | 312.004 |
| Synonyms: | 1,1'-biphenyl, 4,4'-dibromo-;4,4'-Dibromo-1,1'-biphenyl; |
| EINECS: | 202-198-6 |
| Density: | 1.667 g/cm3 |
| Melting Point: | 163-165 °C(lit.) |
| Boiling Point: | 357.6 °C at 760 mmHg |
| Flash Point: | 198.3 °C |
| Solubility: | insoluble in water |
| Appearance: | White powder |
| Hazard Symbols: |
 Xn,  Xi,  N
|
| Risk Codes: | 36/37/38-37/38-36-40-50/53-41-22 |
| Safety: | 37/39-26-37-36/37-61-60-39 |
| Transport Information: | UN 3152 |
| PSA: | 0.00000 |
| LogP: | 4.87860 |
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Chemistry
Molecular Structure of 4,4'-Dibromobiphenyl (CAS NO.92-86-4):
Product Name: 4,4'-Dibromobiphenyl
Molecular formula: C12H8Br2
Molecular Weight: 312
IUPAC Name: 1-bromo-4-(4-bromophenyl)benzene
EINECS: 202-198-6
Melting point: 163-165 °C(lit.)
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 0 Å2
Index of Refraction: 1.625
Molar Refractivity: 66.22 cm3
Molar Volume: 187 cm3
Surface Tension: 43.9 dyne/cm
Density: 1.667 g/cm3
Flash Point: 198.3 °C
Enthalpy of Vaporization: 57.92 kJ/mol
Boiling Point: 357.6 °C at 760 mmHg
Vapour Pressure: 5.56E-05 mmHg at 25°C
Water Solubility: Insoluble
InChI
InChI=1/C12H8Br2/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10/h1-8H
Smiles
c1(c2ccc(Br)cc2)ccc(Br)cc1
EINECS: 202-198-6
Product Categories: Aromatic Compounds; Light yellow crystalline powder; Alpha Sort; BromoVolatiles/ Semivolatiles;D; DAlphabetic; DIA - DIC; Aryl; C9 to C12; Halogenated Hydrocarbons; Method 625; 500 Series Drinking Water Methods; 600 Series Wastewater Methods; BromoEPA; Chemical Class; Halogenated; Method 508EPA
Production
A method for producing 4,4'-Dibromobiphenyl (CAS NO.92-86-4), which comprises reacting biphenyl of Bromine in a halogenated hydrocarbon solvent in the presence of a catalyst.
Safety Profile
The Hazard Codes of 4,4'-Dibromobiphenyl (CAS NO.92-86-4): 
Xi,
Xn, 
N
Risk Statements information:
22: Harmful if swallowed
36: Irritating to the eyes
40: Limited evidence of a carcinogenic effect
41: Risk of serious damage to eyes
36/37/38: Irritating to eyes, respiratory system and skin
37/38: Irritating to respiratory system and skin
50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements information:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37: Wear suitable gloves
39: Wear eye/face protection
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
36/37: Wear suitable protective clothing and gloves
37/39: Wear suitable gloves and eye/face protection
RIDADR: 3152
WGK Germany: 1
HazardClass: 9
PackingGroup: II
Specification
4,4'-Dibromobiphenyl , with CAS number of 92-86-4, can be called 1,1'-biphenyl, 4,4'-dibromo- ; 4,4'-Dibromo-1,1'-biphenyl ; p,p'-Dibromobiphenyl . It is a white powder. 4,4'-Dibromobiphenyl (CAS NO.92-86-4) is used as electronic chemicals.