ChemicalBook > CAS DataBase List > 2,2'-Dibromobiphenyl

2,2'-Dibromobiphenyl

Product Name
2,2'-Dibromobiphenyl
CAS No.
13029-09-9
Chemical Name
2,2'-Dibromobiphenyl
Synonyms
2,2'-Dibromo-1,1'-biphenyl;PBB 4;PBB NO 4;2,2'-DBB;NSC 91566;2,2-Dibromophenyl;2,2′-dibroModiphenyl;2,2'-DIBROMOBIPHENYL;o,o'-Dibromobiphenyl;2,2'-Diromo biphenyl
CBNumber
CB5211164
Molecular Formula
C12H8Br2
Formula Weight
312
MOL File
13029-09-9.mol
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2,2'-Dibromobiphenyl Property

Melting point:
79-83 °C
Boiling point:
332.9±17.0 °C(Predicted)
Density 
1.667
vapor pressure 
0.007-0.27Pa at 20-50℃
storage temp. 
Sealed in dry,Room Temperature
solubility 
Acetone (Sparingly), Benzene (Sparingly), Ethyl Acetate (Slightly)
form 
Crystalline Powder
color 
White
Water Solubility 
Insoluble in water.
InChI
InChI=1S/C12H8Br2/c13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)14/h1-8H
InChIKey
DRKHIWKXLZCAKP-UHFFFAOYSA-N
SMILES
C1(C2=CC=CC=C2Br)=CC=CC=C1Br
LogP
4.6 at 25℃ and pH6.2
CAS DataBase Reference
13029-09-9(CAS DataBase Reference)
EPA Substance Registry System
1,1'-Biphenyl, 2,2'-dibromo- (13029-09-9)
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Safety

Hazard Codes 
Xi,N,Xn
Risk Statements 
36/37/38-50/53-22
Safety Statements 
37/39-26-61-60-36/37
RIDADR 
UN3152
WGK Germany 
3
HazardClass 
9
PackingGroup 
II
HS Code 
29039990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H317May cause an allergic skin reaction

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
697885
Product name
2,2′-Dibromobiphenyl
Purity
97%
Packaging
1g
Price
$36.4
Updated
2024/03/01
Sigma-Aldrich
Product number
697885
Product name
2,2′-Dibromobiphenyl
Purity
97%
Packaging
5g
Price
$163
Updated
2024/03/01
Alfa Aesar
Product number
A17632
Product name
2,2'-Dibromobiphenyl, 98%
Packaging
1g
Price
$61.2
Updated
2023/06/20
Alfa Aesar
Product number
A17632
Product name
2,2'-Dibromobiphenyl, 98%
Packaging
5g
Price
$202
Updated
2023/06/20
Strem Chemicals
Product number
06-0477
Product name
2,2'-Dibromobiphenyl, 98+%
Packaging
1g
Price
$68
Updated
2024/03/01
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2,2'-Dibromobiphenyl Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

Uses

2,2'-Dibromobiphenyl is used to produce 5,5-dimethyl-5H-dibenzosilole at the temperature of -78 - 20°C. It will need reagent n-BuLi and solvents diethyl ether, hexane.

Definition

2,2'-Dibromobiphenyl is a polybrominated biphenyl. Polybrominated biphenyls (PBBs) are a group of 209 synthetic organic compounds with 1-10 bromine atoms attached to biphenyl. They can be used as flame retardants and may be added to the plastics used to make products like computer monitors, televisions, textiles, and plastic foams, making them difficult to burn. However, PBBs are banned or restricted in most areas due to their toxicity and persistence in the environment.

Synthesis

Pd(PPh3)4 (18.5 mg, 0.016 mmol, 4 mol) and indium (45.9 mg, 0.4 mmol, 1 equivalent) were added to a solution of 2-bromoiodobenzene (0.4 mmol) in DMF (2 ml). The resulting mixture was heated at 100°C at room temperature. The reaction process was monitored by thin-layer chromatography, with ethyl acetate and n-hexane (1:4 or 1:10, depending on the polarity of the substrate) as the developing solvent. After 34 hours of reaction, the raw materials reacted completely, and a saturated sodium bicarbonate solution (4 ml) was added to quench the reaction, and the reaction solution was extracted with ethyl acetate (10 ml). The ethyl acetate layer was washed twice with water (4 ml) and then once with brine (4 ml). The organic phase was dried over MgSO4, filtered and concentrated under reduced pressure. The concentrate was chromatographed on silica gel using n-hexane or a solution of ethyl acetate and n-hexane for purification and separation to obtain the target product 2,2'-Dibromobiphenyl.

2,2'-Dibromobiphenyl Preparation Products And Raw materials

Raw materials

Preparation Products

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2,2'-Dibromobiphenyl Suppliers

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View Lastest Price from 2,2'-Dibromobiphenyl manufacturers

Shanghai Daken Advanced Materials Co.,Ltd
Product
1,1'-Biphenyl, 2,2'-dibromo- 13029-09-9
Price
US $0.00/KG
Min. Order
1KG
Purity
98.00%
Supply Ability
150KG /month
Release date
2021-11-16
Hebei Yanxi Chemical Co., Ltd.
Product
2,2'-DIBROMOBIPHENYL 13029-09-9
Price
US $0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20 tons
Release date
2023-11-28
Hebei Weibang Biotechnology Co., Ltd
Product
2,2'-DIBROMOBIPHENYL 13029-09-9
Price
US $30.00-10.00/KG
Min. Order
50KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-24

13029-09-9, 2,2'-DibromobiphenylRelated Search:

DECABROMOBIPHENYL 2,2',5',6-TETRABROMOBIPHENYL 2,2',4,4',5,5'-HEXABROMOBIPHENYL 2,2',4,5',6-PENTABROMOBIPHENYL 2,2',5-TRIBROMOBIPHENYL 2,2',4,5'-TETRABROMOBIPHENYL 2,2',4,5,5'-PENTABROMOBIPHENYL 2,2',5,5'-TETRABROMOBIPHENYL 2,2'-DIBROMOBIPHENYL 2,2',4,4',6,6'-HEXABROMOBIPHENYL Poly(2,6-dibromophenol oxide) DOW FR-250 (OCTABROMOBIPHENYL) 2,6-DIBROMOBIPHENYL 2,5-DIBROMOBIPHENYL 2,4-DIBROMOBIPHENYL 4,4'-Dibromobiphenyl-2,2'-dicarboxylic acid 2,2',3,3',5,5',6,6'-Octafluoro-4,4'-dibromobiphenyl,OCTAFLUORO-4,4'-DIBROMOBIPHENYL 4,4'-DIBROMOBIPHENYL,P,P'-DIBROMOBIPHENYL,1,1’-biphenyl,,4’-dibromo-(4,4’-dibromobiphenyl

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