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Cas Database |
| Name |
2,4'-Dichloro-1,1'-biphenyl |
EINECS | N/A |
| CAS No. | 34883-43-7 | Density | 1.249g/cm3 |
| PSA | 0.00000 | LogP | 4.66040 |
| Solubility | 0.62mg/L(25 oC) | Melting Point |
46°C |
| Formula | C12H8 Cl2 | Boiling Point | 303.3°Cat760mmHg |
| Molecular Weight | 223.102 | Flash Point | 133.6°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of Cl−. | Risk Codes | 33-50/53 |
| Molecular Structure |
|
Hazard Symbols |
|
| Synonyms |
Biphenyl,2,4'-dichloro- (7CI); 2,4'-Dichlorobiphenyl; CB 8; PCB 8 |
Article Data | 22 |
2,4'-Dichloro-1,1'-biphenyl Synthetic route
- 92-52-4
biphenyl
A
- 2051-60-7
2-chloro-1,1'-biphenyl
B
- 34883-43-7
2,4'-dichlorobiphenyl
C
- 2050-68-2
4,4'-dichlorobiphenyl
D
- 2051-62-9
4'-biphenyl chloride
| Conditions | Yield |
|---|---|
| With chlorine; K-Zeolith L In dichloromethane at 20℃; for 6h; Product distribution; further zeolithes; further solvents and reaction conditions; | A 1.9% B 4.9% C 89% D 3% |
| With chlorine; K-Zeolith L In dichloromethane at 20℃; for 6h; | A 1.9% B 4.9% C 89% D 3% |
| With chlorine; K-Zeolith L In tetrachloromethane at 20℃; for 6h; Title compound not separated from byproducts; | A 10% B 14.7% C 66.5% D 5.7% |
| With chlorine; K-Zeolith L In various solvent(s) at 20℃; for 6h; Title compound not separated from byproducts; | A 10.1% B 5.4% C 39.7% D 35.9% |
| With chlorine; K-Zeolith L In acetic acid at 40℃; for 6h; Title compound not separated from byproducts; | A 28.9% B 8.8% C 13% D 31.9% |
| Conditions | Yield |
|---|---|
| With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 1,3,5,7-tetramethyl-8-phenyl-2,4,6-trioxa-8-phosphatricyclo[3.3.1.13,7]decane In toluene at 70℃; Suzuki coupling; Inert atmosphere; chemoselective reaction; | 64% |
| Conditions | Yield |
|---|---|
| Stage #1: 1-Bromo-2-iodobenzene With n-butyllithium In tetrahydrofuran; hexane at -70℃; Flow reactor; Stage #2: 4-chlorophenyl lithium In tetrahydrofuran at 0℃; Flow reactor; Stage #3: With hexachloroethane In tetrahydrofuran; hexane at -30℃; Flow reactor; | 64% |
- 108-90-7
chlorobenzene
- 108-95-2
phenol
A
- 25569-80-6
2,3'-dichloro-1,1'-biphenyl
B
- 34883-43-7
2,4'-dichlorobiphenyl
C
- 2974-90-5
3,4'-dichlorobiphenyl
D
- 2050-68-2
4,4'-dichlorobiphenyl
E
- 2050-67-1
PCB 11
F
- 13029-08-8
2,2'-Dichlorobiphenyl
| Conditions | Yield |
|---|---|
| With tert.-butylhydroperoxide; iodine at 289.9℃; for 0.0272222h; Product distribution; | A 34.4% B 18.7% C 15.5% D 3.9% E 13.1% F 14.4% |
- 492-17-1
2,4'-diaminobiphenyl
- 34883-43-7
2,4'-dichlorobiphenyl
| Conditions | Yield |
|---|---|
| With sulfuric acid Diazotization.Behandlung der Diazoniumsalz-Loesung mit Hg(NO3)2 und KCl und Erhitzen des erhaltenen Diazonium-tetrachloromercurats(II) mit KCl bis auf 120grad; |
- 138588-57-5
3-chloro-4-(4-chlorophenyl)benzenamine
- 34883-43-7
2,4'-dichlorobiphenyl
| Conditions | Yield |
|---|---|
| With sulfuric acid Diazotization.Behandlung der Diazoniumsalz-Loesung mit H3PO2; |
- 673-41-6
p-chlorobenzenediazonium tetrafluoroborate
A
- 34883-43-7
2,4'-dichlorobiphenyl
B
- 2974-90-5
3,4'-dichlorobiphenyl
C
- 141320-17-4
(4-chloro-phenyl)-(5,4'-dichloro-biphenyl-2-yl)-diazene
D
- 108-90-7
chlorobenzene
E
- 1602-00-2
bis-(4-chloro-phenyl)-diazene
| Conditions | Yield |
|---|---|
| With titanium(III) sulphate In water; acetonitrile at 0 - 5℃; Mechanism; Product distribution; other solvents, p-chlorobenzenediazonium sulfate and benzenediazonium salts; | A 0.7 % Chromat. B 6.5 % Chromat. C 63.5 % Chromat. D 5.8 % Chromat. E 5.3 % Chromat. |
- 106-47-8
4-chloro-aniline
- 108-90-7
chlorobenzene
A
- 34883-43-7
2,4'-dichlorobiphenyl
B
- 2974-90-5
3,4'-dichlorobiphenyl
C
- 2050-68-2
4,4'-dichlorobiphenyl
| Conditions | Yield |
|---|---|
| With sodium nitrite; trichloroacetic acid; copper(l) chloride at 85℃; for 2h; Yield given. Yields of byproduct given; |
- 10312-71-7
1,6-bis-(4-chlorophenyl)-3,4-diacetyl-1,5-hexazadiene
- 108-90-7
chlorobenzene
A
- 3148-73-0
Diacetylhydrazin
B
- 34883-43-7
2,4'-dichlorobiphenyl
C
- 2974-90-5
3,4'-dichlorobiphenyl
D
- 2050-68-2
4,4'-dichlorobiphenyl
E
- 82408-82-0
1-acetyl-1-p-chlorophenylhydrazine
| Conditions | Yield |
|---|---|
| at 131℃; Product distribution; Mechanism; thermolysis, var.: photolysis; | |
| at 10℃; for 6h; Product distribution; Mechanism; Irradiation; |
- 673-41-6
p-chlorobenzenediazonium tetrafluoroborate
- 108-90-7
chlorobenzene
A
- 34883-43-7
2,4'-dichlorobiphenyl
B
- 2974-90-5
3,4'-dichlorobiphenyl
C
- 2050-68-2
4,4'-dichlorobiphenyl
| Conditions | Yield |
|---|---|
| With potassium acetate; 18-crown-6 ether for 1.5h; Ambient temperature; Yield given. Yields of byproduct given; | |
| With potassium acetate; 18-crown-6 ether for 1.5h; Product distribution; Ambient temperature; other catalysts and reaction conditions; other aromatic reactants; | |
| With pyridine at 23℃; for 18h; Gomberg-Bachman Arylation; Inert atmosphere; Irradiation; Overall yield = 94 percent; Overall yield = 126 mg; |
2,4'-Dichloro-1,1'-biphenyl Chemical Properties
Empirical Formula: C12H8Cl2
Molecular Weight: 223.0979 g/mol
EINECS: 215-648-1
Index of Refraction: 1.594
Density: 1.249 g/cm3
Flash Point: 133.6 °C
Enthalpy of Vaporization: 52.19 kJ/mol
Boiling Point: 303.3 °C at 760 mmHg
Vapour Pressure: 0.00168 mmHg at 25 °C
Storage tempreture: 2-8 °C
Structure of 2,4'-Dichloro-1,1'-biphenyl (CAS NO.34883-43-7):
IUPAC Name: 1-Chloro-2-(4-chlorophenyl)benzene
Product Categories of 2,4'-Dichloro-1,1'-biphenyl (CAS NO.34883-43-7): Alphabetic
2,4'-Dichloro-1,1'-biphenyl Toxicity Data With Reference
| 1. | orl-mus LD50:7860 mg/kg | EVHPAZ EHP, Environmental Health Perspectives. Subseries of DHEW Publications. 24 (1978),173. |
2,4'-Dichloro-1,1'-biphenyl Safety Profile
Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of Cl−.
Hazard Codes of 2,4'-Dichloro-1,1'-biphenyl (CAS NO.34883-43-7): 
N
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.
2,4'-Dichloro-1,1'-biphenyl Specification
2,4'-Dichloro-1,1'-biphenyl ,its cas register number is 34883-43-7. It also can be called 2,4'-Dichlorobiphenyl ; and 1,1'-Biphenyl, 2,4'-dichloro- .
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