ChemicalBook > CAS DataBase List > 5-Bromoquinoxaline

5-Bromoquinoxaline

Product Name: 5-Bromoquinoxaline
CAS No.: 76982-23-5
Chemical Name: 5-Bromoquinoxaline
Synonyms: 5-BromoquinoxaL;5-BROMOQUINOXALINE;Quinoxaline, 5-bromo-;5-Bromo-1,4-benzodiazine
CBNumber: CB01253504
Molecular Formula: C8H5BrN2
Formula Weight: 209.04
MOL File: 76982-23-5.mol

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5-Bromoquinoxaline Property

Boiling point:: 300 °C
Density: 1.656
Flash point:: 135 °C
storage temp.: Keep in dark place,Inert atmosphere,Room temperature
form: crystalline powder
color: Yellow

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Safety

HS Code: 2933998090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: B698943
Product name: 5-Bromoquinoxaline
Packaging: 50mg
Price: $55
Updated: 2021/12/16

Apolloscientific

Product number: OR17203
Product name: 5-Bromoquinoxaline
Purity: 95%
Packaging: 250mg
Price: $66
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H32-9-N3
Product name: 5-Bromoquinoxaline
Packaging: 250mg
Price: $72
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB42379
Product name: 5-Bromoquinoxaline
Packaging: 250mg
Price: $100
Updated: 2021/12/16

Apolloscientific

Product number: OR17203
Product name: 5-Bromoquinoxaline
Purity: 95%
Packaging: 1g
Price: $138
Updated: 2021/12/16

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5-Bromoquinoxaline Chemical Properties,Usage,Production

Synthesis

16566-20-4

76982-23-5

General procedure for the synthesis of 5-bromoquinoxaline from quinoxalin-5-amine: 17 g of quinoxalin-5-amine was added to 50 ml of water, cooled to 0 °C, 25 ml of concentrated hydrochloric acid was added slowly and stirred for 0.5 h. The mixture was then stirred for 6 h at room temperature. Subsequently, 10 g of copper bromide was added in batches and stirring was continued for 6 hours at room temperature. Upon completion of the reaction, an appropriate amount of water was added for dilution and extracted and separated using an organic solvent. The organic phase was dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was separated and purified by silica gel column chromatography to give 14 g of 5-bromoquinoxaline.

References

[1] Patent: CN107793370, 2018, A. Location in patent: Paragraph 0023; 0024

5-Bromoquinoxaline Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 5-Bromoquinoxaline manufacturers

Henan Aochuang Chemical Co.,Ltd.

Product: 5-Bromoquinoxaline 76982-23-5
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1Ton
Release date: 2022-10-12

Career Henan Chemical Co

Product: 5-Bromoquinoxaline 76982-23-5
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 150KG
Release date: 2019-07-01

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76982-23-5

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