2,4'-Dichloro-1,1'-biphenyl supplier

Name
2,4'-DICHLOROBIPHENYL
EINECS
CAS No. 34883-43-7
Article Data22
CAS DataBase
Density 1.249g/cm³
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
Appearance
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
PSA 0.00000
LogP 4.66040

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

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%

...Expand

: 1679-18-1
4-Chlorophenylboronic acid

: 95-50-1
1,2-dichloro-benzene

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

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%

: 583-55-1
1-Bromo-2-iodobenzene

: 14774-78-8
4-chlorophenyl lithium

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

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

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%

...Expand

: 492-17-1
2,4'-diaminobiphenyl

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

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

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

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.

...Expand

: 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

Conditions	Yield
With sodium nitrite; trichloroacetic acid; copper(l) chloride at 85℃; for 2h; Yield given. Yields of byproduct given;

...Expand

: 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

Conditions	Yield
at 131℃; Product distribution; Mechanism; thermolysis, var.: photolysis;
at 10℃; for 6h; Product distribution; Mechanism; Irradiation;

...Expand

: 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

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;

...Expand

: 79991-27-8
1-p-chlorophenyl-3,4-diacetyl-1-tetrazene

: 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

Conditions	Yield
Product distribution; Mechanism; thermolysis, var.: photolysis, 10 degC;
at 10℃; for 2h; Product distribution; Mechanism; Irradiation;

...Expand

: 10312-71-7
1,6-bis-(4-chlorophenyl)-3,4-diacetyl-1,5-hexazadiene

: 108-90-7
chlorobenzene

: 67-63-0
isopropyl alcohol

A: 115-10-6
Dimethyl ether

B: 10465-77-7
diacetyl diazene

C: 3148-73-0
Diacetylhydrazin

D: 34883-43-7
2,4'-dichlorobiphenyl

E: 2974-90-5
3,4'-dichlorobiphenyl

F: 2050-68-2
4,4'-dichlorobiphenyl

Conditions

Conditions	Yield
at 83℃; Product distribution; Mechanism;

...Expand

: 108-90-7
chlorobenzene

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

Conditions

Conditions	Yield
With thallium(III) trifluoroacetate; palladium diacetate at 135℃; for 50h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
With thallium(III) trifluoroacetate; palladium diacetate at 70℃; for 50h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
With thallium(III) trifluoroacetate; palladium diacetate at 70℃; for 50h; Yield given. Further byproducts given. Yields of byproduct given;

...Expand

: 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

D: 2050-67-1
PCB 11

Conditions

Conditions	Yield
With palladium diacetate; thallium(III) trifluoroacetate at 60 - 70℃; Yield given. Further byproducts given. Yields of byproduct given;

...Expand

: 108-90-7
chlorobenzene

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

Conditions	Yield
With thallium(III) trifluoroacetate; palladium diacetate at 70℃; for 50h; Product distribution; Rate constant; variation of amount of Pd(II) and temperature;
With palladium diacetate; thallium(III) trifluoroacetate at 60 - 70℃; Product distribution; selectivity in the oxidative coupling;

...Expand

: 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

D: 13029-08-8
2,2'-Dichlorobiphenyl

Conditions

Conditions	Yield
With thallium(III) trifluoroacetate; palladium diacetate at 135℃; for 50h; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;

...Expand

: 637-87-6
1-Chloro-4-iodobenzene

: 615-41-8
2-iodochlorobenzene

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

Conditions	Yield
With copper In N,N-dimethyl-formamide Ulman reaction; Heating;

: 1204-42-8
2′-chlorobiphenyl-4-amine

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

Conditions	Yield
With copper(I) chloride; cis-nitrous acid Sandmeyer reaction;

: 106-47-8
4-chloro-aniline

: 108-90-7
chlorobenzene

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

Conditions	Yield
With sodium acetate; cis-nitrous acid Arylation; Gomberg-Bachman reaction;

: 108-90-7
chlorobenzene

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: 2050-67-1
PCB 11

E: 108-95-2
phenol

F: 13029-08-8
2,2'-Dichlorobiphenyl

G chlorobiphenyls, chlorophenols: chlorobiphenyls, chlorophenols

Conditions

Conditions	Yield
With tert.-butylhydroperoxide at 212℃; Product distribution; Mechanism; various temperatures;

...Expand

: 106-47-8
4-chloro-aniline

2-hydroxy-9-methyl-carbazole-3(?)-carboxylic acid: 2-hydroxy-9-methyl-carbazole-3(?)-carboxylic acid

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 1.) NaNO2, 10percent H2SO4, 2.) TiCl3 / 1.) H2O, 0-2 deg C, 2.) H2O, MeOH, 0-5 deg C 2: NaNO2, CCl3COOH / CuCl / 2 h / 85 °C View Scheme

: 138588-58-6
2,4'-dichloro-4-nitro-biphenyl

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: tin; aqueous hydrochloric acid; ethanol 2: aqueous H2SO4 / Diazotization.Behandlung der Diazoniumsalz-Loesung mit H3PO2 View Scheme

: 615-41-8
2-iodochlorobenzene

: 1679-18-1
4-Chlorophenylboronic acid

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

Conditions	Yield
With palladium diacetate; sodium carbonate In water; acetone at 25℃; for 12h;
With palladium diacetate; sodium carbonate In water; acetone at 20℃; for 10h;

: 29682-41-5
2,5-dichloroiodobenzene

A: 34883-43-7
2,4'-dichlorobiphenyl

B: 2974-90-5
3,4'-dichlorobiphenyl

C: 34883-39-1
2,5-dichlorobiphenyl

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: potassium carbonate; C20H29Cl2N5O2Pd / ethanol / 2.5 h / 78 - 83 °C 2: isopropyl alcohol; sodium hydroxide; palladium 10% on activated carbon / 1 h / 83 °C View Scheme

...Expand

: 29682-41-5
2,5-dichloroiodobenzene

A: 92-52-4
biphenyl

B: 34883-43-7
2,4'-dichlorobiphenyl

C: 34883-39-1
2,5-dichlorobiphenyl

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: potassium carbonate; C20H29Cl2N5O2Pd / ethanol / 2.5 h / 78 - 83 °C 2: isopropyl alcohol; sodium hydroxide; palladium 10% on activated carbon / 83 °C View Scheme

...Expand

: 694-80-4
2-bromo-1-chlorobenzene

: 1679-18-1
4-Chlorophenylboronic acid

: 34883-43-7
2,4'-dichlorobiphenyl

Conditions

Conditions	Yield
With C20H29Cl2N5O2Pd; potassium carbonate In ethanol at 78 - 83℃; for 2.5h;

: 7012-37-5
2,4,4'-Trichlorobiphenyl

A: 34883-43-7
2,4'-dichlorobiphenyl

B: 2050-68-2
4,4'-dichlorobiphenyl

C: 33284-50-3
PCB 7

Conditions

Conditions	Yield
With palladium 10% on activated carbon; isopropyl alcohol; sodium hydroxide at 83℃; for 1h; regioselective reaction;

...Expand

: 1193-72-2
1-bromo-2,4-dichlorobenzene

: 1679-18-1
4-Chlorophenylboronic acid

A: 34883-43-7
2,4'-dichlorobiphenyl

B: 2050-68-2
4,4'-dichlorobiphenyl

C: 33284-50-3
PCB 7

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: potassium carbonate; C20H29Cl2N5O2Pd / ethanol / 2.5 h / 78 - 83 °C 2: isopropyl alcohol; sodium hydroxide; palladium 10% on activated carbon / 1 h / 83 °C View Scheme

...Expand

: 1679-18-1
4-Chlorophenylboronic acid

A: 34883-43-7
2,4'-dichlorobiphenyl

B: 2974-90-5
3,4'-dichlorobiphenyl

C: 34883-39-1
2,5-dichlorobiphenyl

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: potassium carbonate; C20H29Cl2N5O2Pd / ethanol / 2.5 h / 78 - 83 °C 2: isopropyl alcohol; sodium hydroxide; palladium 10% on activated carbon / 1 h / 83 °C View Scheme

...Expand

: 34883-43-7
2,4'-dichlorobiphenyl

: 75-05-8
acetonitrile

A: 64181-76-6
4-chloro-2'-hydroxybiphenyl

B: N-[4’-chloro-(1,1’-biphenyl)-2-yl]acetamide

Conditions

Conditions	Yield
With water Photolysis;	A 10% B 90%

...Expand

: 34883-43-7
2,4'-dichlorobiphenyl

: 2,4'-Dichloro-biphenyl

Conditions

Conditions	Yield
In gas Irradiation; study of resonance enhanced two-photon ionization spectra using a time-of-flight mass spectrometer;

: 34883-43-7
2,4'-dichlorobiphenyl

: 92-52-4
biphenyl

Conditions

Conditions	Yield
With potassium hydroxide In isopropyl alcohol at 45℃; for 20h; Inert atmosphere;	98 %Chromat.

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

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): Dangerous 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- .

Product Name

2,4'-DICHLOROBIPHENYL

Synthetic route

2,4'-Dichloro-1,1'-biphenyl Chemical Properties

2,4'-Dichloro-1,1'-biphenyl Toxicity Data With Reference

2,4'-Dichloro-1,1'-biphenyl Safety Profile

2,4'-Dichloro-1,1'-biphenyl Specification

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