ChemicalBook > CAS DataBase List > 2,2'-DIBROMO-1,1'-BINAPHTHYL

2,2'-DIBROMO-1,1'-BINAPHTHYL

Product Name
2,2'-DIBROMO-1,1'-BINAPHTHYL
CAS No.
74866-28-7
Chemical Name
2,2'-DIBROMO-1,1'-BINAPHTHYL
Synonyms
SKL192;JACS-74866-28-7;Binaphthalene dibromide;2,2'-diboromo-binaphthyl;2,2`-DibroMo-1,1`-Binaphtyl;1,1'-Bi(2-bromonaphthalene);2,2'-Dibromo-1,1'-binapthyl;2,2'-DIBROMO-1,1'-DINAPHTHYL;2,2'-DIBROMO-1,1'-BINAPHTHYL;2,2'-Dibromo-1,1'-binaphthyl
CBNumber
CB8270540
Molecular Formula
C20H12Br2
Formula Weight
412.12
MOL File
74866-28-7.mol
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2,2'-DIBROMO-1,1'-BINAPHTHYL Property

Melting point:
178-183 °C
Boiling point:
178-183°C
Density 
1.614±0.06 g/cm3(Predicted)
Flash point:
178-183°C
storage temp. 
Sealed in dry,Room Temperature
solubility 
soluble in Toluene
form 
Powder
color 
white to off-white
Water Solubility 
Sparingly Soluble in water.
CAS DataBase Reference
74866-28-7(CAS DataBase Reference)
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Safety

Hazard Codes 
Xn
Risk Statements 
36/37/38-22
Safety Statements 
26-36/37/39
WGK Germany 
3
HS Code 
2903.99.8001
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H413May cause long lasting harmful effects to aquatic life

Precautionary statements

P273Avoid release to the environment.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
676438
Product name
2,2′-Dibromo-1,1′-binaphthyl
Purity
96%
Packaging
1g
Price
$78.7
Updated
2024/03/01
TCI Chemical
Product number
D4221
Product name
2,2'-Dibromo-1,1'-binaphthyl
Purity
>96.0%(GC)
Packaging
1g
Price
$59
Updated
2024/03/01
TCI Chemical
Product number
D4221
Product name
2,2'-Dibromo-1,1'-binaphthyl
Purity
>96.0%(GC)
Packaging
5g
Price
$216
Updated
2024/03/01
Alfa Aesar
Product number
H26987
Product name
(±)-2,2'-Dibromo-1,1'-binaphthyl, 96%
Packaging
1g
Price
$72.65
Updated
2024/03/01
Alfa Aesar
Product number
H26987
Product name
(±)-2,2'-Dibromo-1,1'-binaphthyl, 96%
Packaging
5g
Price
$234.65
Updated
2024/03/01
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2,2'-DIBROMO-1,1'-BINAPHTHYL Chemical Properties,Usage,Production

Uses

The synthesis of this class of compounds relies on the lithiation of racemic 2,2'-dibromo-1,1'-binaphthyl with t-BuLi followed by addition of Ph 2 PCl.

Purification Methods

Purify the binaphthyl by chromatography through a silica gel column (70-230mesh) using hexane as eluent. It gives pale yellow crystals from EtOH with m 187.3-187.9o. The R-(+)-enantiomer [86688-08-6] crystallises from hexane with m 157-157.5o and [] D +32.9o (c 1, pyridine) [Brown et al. J Org Chem 50 4345 1985]. [Okamoto et al. J Am Chem Soc 103 69711981, Beilstein 5 III 2465.]

2,2'-DIBROMO-1,1'-BINAPHTHYL Preparation Products And Raw materials

Raw materials

1,1'-Bi-2-naphthol Acetonitrile Ethanol Ethyl acetate Government regulation Triphenylphosphine PETROLEUM ETHER

Preparation Products

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2,2'-DIBROMO-1,1'-BINAPHTHYL Suppliers

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View Lastest Price from 2,2'-DIBROMO-1,1'-BINAPHTHYL manufacturers

Henan Fengda Chemical Co., Ltd
Product
(+/-)-2,2-Dibromo-1,1-Binaphthyl 74866-28-7
Price
US $5.00-0.50/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-01-13
Career Henan Chemical Co
Product
2,2'-DIBROMO-1,1'-BINAPHTHYL 74866-28-7
Price
US $8.80/KG
Min. Order
1KG
Purity
97%-99%
Supply Ability
100kg
Release date
2019-07-04

74866-28-7, 2,2'-DIBROMO-1,1'-BINAPHTHYLRelated Search:

2-Bromo-9,10-diphenylanthracene 2-Bromonaphthalene 1,1'-BINAPHTHYL R-(+)-2,2-DIBROMO-1,1'-BINAPHTHYL (S)-6,6'-DIBROMO-1,1'-BINAPHTHYL-2,2'-DIOL (S)-6,6'-DIBROMO-1,1'-BINAPHTHYL-2,2'-DIOL S-(-)-2,2-DIBROMO-1,1'-BINAPHTHYL (S)-6,6'-DIBROMO-1,1'-BINAPHTHYL-2,2'-DIOL

  • 2,2'-DIBROMO-1,1'-BINAPHTHYL
  • 2,2'-DIBROMO-1,1'-DINAPHTHYL
  • RACEMIC-2,2'-DIBROMO-1,1'-BINAPHTHYL
  • 2,2'-Dibromo-1,1'-binapthyl
  • racemic-2,2'-Dibromo-1,1'-binaphthyl,99%
  • 1,1'-Bi(2-bromonaphthalene)
  • 2,2'-Dibromo-1,1'-binaphthalene
  • rac-2,2'-Dibromo-1,1'-binaphthyl,
  • rac-2,2'-Dibromo-1,1'-binaphthyl,99%
  • racemic-2,2'-Dibromo-1,1'-binaphthyl, min. 96%
  • 2,2`-DibroMo-1,1`-Binaphtyl
  • 2-broMo-1-(2-broMonaphthalen-1-yl)naphthalene
  • 2,2'-diboromo-binaphthyl
  • 2,2'-Dibromo-1,1'-binaphthyl 96%
  • JACS-74866-28-7
  • 2,2'-Dibromo-1,1'-binaphthyl&gt
  • 1,1'-Binaphthalene, 2,2'-dibromo-
  • ()-2,2-Dibromo-1,1-binaphthyl
  • 2,2'-Dibromo-1,1'-binaphthyl (rac)
  • SKL192
  • (+/-)-2,2-Dibromo-1,1-Binaphthyl
  • (+/-)-2,2-Dibromo-l,l-Binaphthyl
  • Binaphthalene dibromide
  • 2,2'-Dibromo-1,1'-binaphthyl
  • 2-bromo-1-(2-bromo-1-naphthyl)naphthalene
  • 74866-28-7
  • 燙20H12Br2
  • C20H12Br2
  • Aryl
  • C13 to C37+
  • Halogenated Hydrocarbons