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| CAS No.: | 35693-99-3 |
|---|---|
| Name: | 2,2',5,5'-TETRACHLOROBIPHENYL |
| Article Data: | 4 |
| Molecular Structure: | |
|
|
|
| Formula: | C12H6 Cl4 |
| Molecular Weight: | 291.992 |
| Synonyms: | 2,2',5,5'-TCB;2,2',5,5'-Tetrachloro-1,1'-biphenyl; 2,2',5,5'-Tetrachlorobiphenyl;2,5,2',5'-Tetrachlorobiphenyl; CB 52; K 52; PCB 52 |
| EINECS: | 208-759-1 |
| Density: | 1.441 g/cm3 |
| Melting Point: | 87℃ |
| Boiling Point: | 344.9 °C at 760 mmHg |
| Flash Point: | 161.9 °C |
| Solubility: | 109.5ug/L(25 oC) |
| Hazard Symbols: |
 Xn N F
|
| Risk Codes: | 33-50/53-67-65-38-11 |
| Safety: | Mutation data reported. When heated to decomposition it emits toxic vapors of Cl−. |
| PSA: | 0.00000 |
| LogP: | 5.96720 |
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Chemistry
Molecular Structure of 2,2',5,5'-Tetrachlorobiphenyl (CAS NO.35693-99-3):
EINECS: 208-759-1
IUPAC Name: 1,4-Dichloro-2-(2,5-dichlorophenyl)benzene
Molecular Formula: C12H6Cl4
Molecular Weight: 291.988040 g/mol
XLogP3: 6.1
H-Bond Donor: 0
H-Bond Acceptor: 0
Canonical SMILES: C1=CC(=C(C=C1Cl)C2=C(C=CC(=C2)Cl)Cl)Cl
InChI: InChI=1S/C12H6Cl4/c13-7-1-3-11(15)9(5-7)10-6-8(14)2-4-12(10)16/h1-6H
InChIKey: HCWZEPKLWVAEOV-UHFFFAOYSA-N
Index of Refraction: 1.612
Molar Refractivity: 70.42 cm3
Molar Volume: 202.5 cm3
Surface Tension: 44.8 dyne/cm
Density: 1.441 g/cm3
Flash Point: 161.9 °C
Enthalpy of Vaporization: 56.56 kJ/mol
Boiling Point: 344.9 °C at 760 mmHg
Vapour Pressure: 0.000128 mmHg at 25 °C
Water Solubility: 0.08606 mg/L at 25 °C
Storage Temp.: 2-8 °C
BRN: 2053828
Toxicity Data With Reference
| 1. | dnd-mus:fbr 20 mg/L | RCOCB8 Research Communications in Chemical Pathology and Pharmacology. 24 (1979),313. |
Safety Profile
Safety Information of 2,2',5,5'-Tetrachlorobiphenyl (CAS NO.35693-99-3):
Hazard Codes: N 
,Xn 
,F 
Risk Statements: 33-50/53-67-65-38-11
R33:Danger of cumulative effects
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R67:Vapours may cause drowsiness and dizziness
R65:Harmful: may cause lung damage if swallowed
R38:Irritating to skin
R11:Highly flammable
Safety Statements: 35-60-61-62-16
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
S62:If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label
S16:Keep away from sources of ignition
RIDADR: 2315
RTECS: DV8660000
HazardClass: 9
PackingGroup: II
Mutation data reported. When heated to decomposition it emits toxic vapors of Cl−.
Specification
2,2',5,5'-Tetrachlorobiphenyl with CAS Registry Number of 35693-99-3 is also called for 2,5,2',5'-Tetrachlorobiphenyl ; 2,2',5,5'-TCB ; 2,3',5,6'-Tetrachlorobiphenyl ; 2,5,2',5'-Tetrachlorobiphenyl ; 4-05-00-01818 (Beilstein Handbook Reference) ; CCRIS 6155 ; PCB 52 ; TCBP ; 1,1'-Biphenyl, 2,2',5,5'-tetrachloro- .