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576-22-7

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576-22-7 Usage

Chemical Properties

CLEAR COLOURLESS TO YELLOW LIQUID

Uses

2-Bromo-m-xylene has been used to prepare 2,2?,4,6,6?-pentamethylbiphenyl. It is used as an intermediate in organic synthesis.

Check Digit Verification of cas no

The CAS Registry Mumber 576-22-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,7 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 576-22:
(5*5)+(4*7)+(3*6)+(2*2)+(1*2)=77
77 % 10 = 7
So 576-22-7 is a valid CAS Registry Number.
InChI:InChI=1/C8H9Br/c1-6-4-3-5-7(2)8(6)9/h3-5H,1-2H3

576-22-7 Well-known Company Product Price

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  • Alfa Aesar

  • (A13130)  2-Bromo-m-xylene, 98+%   

  • 576-22-7

  • 10g

  • 393.0CNY

  • Detail
  • Alfa Aesar

  • (A13130)  2-Bromo-m-xylene, 98+%   

  • 576-22-7

  • 25g

  • 590.0CNY

  • Detail
  • Alfa Aesar

  • (A13130)  2-Bromo-m-xylene, 98+%   

  • 576-22-7

  • 100g

  • 1777.0CNY

  • Detail
  • Alfa Aesar

  • (A13130)  2-Bromo-m-xylene, 98+%   

  • 576-22-7

  • 250g

  • 3775.0CNY

  • Detail
  • Alfa Aesar

  • (A13130)  2-Bromo-m-xylene, 98+%   

  • 576-22-7

  • 500g

  • 6417.0CNY

  • Detail

576-22-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Bromo-1,3-dimethylbenzene

1.2 Other means of identification

Product number -
Other names Benzene, 2-bromo-1,3-dimethyl-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:576-22-7 SDS

576-22-7Relevant articles and documents

A Tethered Tolane: Twisting the Excited State

Kozhemyakin, Yury,Kr?mer, Maximilian,Rominger, Frank,Dreuw, Andreas,Bunz, Uwe H. F.

supporting information, p. 15219 - 15222 (2018/09/21)

The synthesis of a doubly bridged tolane is reported. The target is obtained in a five-step synthesis, starting from commercially available 2-amino-meta-xylene by a combination of a Sandmeyer reaction, radical bromination, and Stille-type coupling, followed by double ring closing. The doubly tethered tolane is crystalline; the two phenyl rings are highly twisted with respect to each other both in solution and in the solid state. Optical spectroscopy and quantum chemical calculations show that the doubly bridged tolane is twisted not only in the ground state, but also in the excited state, leading to emission from the twisted state in solution and in the solid state. Strong phosphorescence is observed at cryogenic temperatures.

Transition-metal-free decarboxylative bromination of aromatic carboxylic acids

Quibell, Jacob M.,Perry, Gregory J. P.,Cannas, Diego M.,Larrosa, Igor

, p. 3860 - 3865 (2018/04/26)

Methods for the conversion of aliphatic acids to alkyl halides have progressed significantly over the past century, however, the analogous decarboxylative bromination of aromatic acids has remained a longstanding challenge. The development of efficient methods for the synthesis of aryl bromides is of great importance as they are versatile reagents in synthesis and are present in many functional molecules. Herein we report a transition metal-free decarboxylative bromination of aromatic acids. The reaction is applicable to many electron-rich aromatic and heteroaromatic acids which have previously proved poor substrates for Hunsdiecker-type reactions. In addition, our preliminary mechanistic study suggests that radical intermediates are not involved in this reaction, which is in contrast to classical Hunsdiecker-type reactivity. Overall, the process demonstrates a useful method for producing valuable reagents from inexpensive and abundant starting materials.

Efficient one-pot transformation of aminoarenes to haloarenes using halodimethylisulfonium halides generated in situ

Baik, Woonphil,Luan, Wanqiang,Lee, Hyun Joo,Yoon, Cheol Hun,Koo, Sangho,Kim, Byeong Hyo

, p. 213 - 219 (2007/10/03)

Halodimethylsulfonium halide 1, which is readily formed in situ from hydrohaloic acid and DMSO, is a good nucleophilic halide. This activated nucleophilic halide rapidly converts aryldiazonium salt prepared in situ by the same hydrohaloic acid and nitrite ion to aryl chlorides, bromides, or iodides in good yield. The combined action of nitrite ion and hydrohaloic acid in DMSO is required for the direct transformation of aromatic amines, which results in the production of aryl halides within 1 h. Substituted compounds with electron-donating or -withdrawing groups or sterically hindered aromatic amines are also smoothly transformed to the corresponding aromatic halides. The only observed by-product is the deaminated arene (usually 7%). The isolated aryldiazonium salts can also be converted to the corresponding aryl halides using 1. The present method offers a facile, one-step procedure for transforming aminoarenes to haloarenes and lacks the environmental pollutants that usually accompany the Sandmeyer reaction using copper halides.

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