ChemicalBook > CAS DataBase List > 2-BROMO-4-METHYL-1H-IMIDAZOLE

2-BROMO-4-METHYL-1H-IMIDAZOLE

Product Name: 2-BROMO-4-METHYL-1H-IMIDAZOLE
CAS No.: 23328-88-3
Chemical Name: 2-BROMO-4-METHYL-1H-IMIDAZOLE
Synonyms: 2-Bromo-4-methylimidazole;2-bromo-5-methyl-1h-imidazole;2-BROMO-4-METHYL-1H-IMIDAZOLE;4-methyl-2-bromo-1H-imidazole;1H-Imidazole, 2-bromo-5-methyl-
CBNumber: CB5469512
Molecular Formula: C4H5BrN2
Formula Weight: 161
MOL File: 23328-88-3.mol

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2-BROMO-4-METHYL-1H-IMIDAZOLE Property

Melting point:: 110-114
Boiling point:: 280.7±33.0 °C(Predicted)
Density: 1.723±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
form: powder
pka: 11.66±0.10(Predicted)
color: Yellow
InChI: InChI=1S/C4H5BrN2/c1-3-2-6-4(5)7-3/h2H,1H3,(H,6,7)
InChIKey: AYQISCMXBQVMSY-UHFFFAOYSA-N
SMILES: C1(Br)NC(C)=CN=1

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Safety

Hazard Codes: Xi
Hazard Note: Irritant
HS Code: 2933299090

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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

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

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

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

P310Immediately call a POISON CENTER or doctor/physician.

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N-Bromosuccinimide Price

TRC

Product number: B697173
Product name: 2-Bromo-4-methyl-1H-imidazole
Packaging: 250mg
Price: $65
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB158303
Product name: 2-Bromo-4-methyl-1H-imidazole
Packaging: 250mg
Price: $75
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB158303
Product name: 2-Bromo-4-methyl-1H-imidazole
Packaging: 500mg
Price: $120
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB158303
Product name: 2-Bromo-4-methyl-1H-imidazole
Packaging: 1g
Price: $180
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB158303
Product name: 2-Bromo-4-methyl-1H-imidazole
Packaging: 2g
Price: $300
Updated: 2021/12/16

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2-BROMO-4-METHYL-1H-IMIDAZOLE Chemical Properties,Usage,Production

Synthesis

219814-29-6

23328-88-3

General procedure for the synthesis of 2-bromo-4-methyl-1H-imidazole from 2,5-dibromo-4-methylimidazole: [Example 6]; At room temperature, 23.9 g (100.0 mmol) of 2,5-dibromo-4-methylimidazole, 29.4 g (300.0 mmol) of cyclohexanone, and 23.9 g (259.4 mmol) of toluene were mixed, and during stirring, slow addition of 22.5 g (150.0 mmol) of sodium iodide to prepare the reaction solution. The reaction solution was stirred at 105 °C for 12 h under nitrogen protection, followed by cooling in an ice bath and continued stirring for 1 h. The reaction solution was analyzed by HPLC. Analysis of the reaction solution by HPLC confirmed the formation of 13.7 g (82.3 mmol, conversion: 85.3%) of 2-bromo-4-methyl-1H-imidazole. The reaction solution was concentrated under reduced pressure and purified by silica gel column chromatography (eluent: ethyl acetate/hexane mixed system). The product-containing fractions were collected, and after evaporation to remove volatile components, 2-bromo-4-methyl-1H-imidazole crystals were obtained in a yield of 12.6 g (yield: 78.1%). The obtained crystals were further confirmed to be 2-bromo-4-methyl-1H-imidazole by comparing the NMR spectrum of the product with that of the standard sample.

References

[1] Patent: EP2141151, 2010, A1. Location in patent: Page/Page column 7

2-BROMO-4-METHYL-1H-IMIDAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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2-BROMO-4-METHYL-1H-IMIDAZOLE Suppliers

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View Lastest Price from 2-BROMO-4-METHYL-1H-IMIDAZOLE manufacturers

Career Henan Chemical Co

Product: 2-Bromo-5-methyl-1H-imidazole 23328-88-3
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 200kg
Release date: 2020-01-09

23328-88-3, 2-BROMO-4-METHYL-1H-IMIDAZOLERelated Search:

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2-Bromo-4-methylimidazole

2-BROMO-4-METHYL-1H-IMIDAZOLE

2-bromo-5-methyl-1h-imidazole

1H-Imidazole, 2-bromo-5-methyl-

4-methyl-2-bromo-1H-imidazole

23328-88-3

blocks

Bromides

Imidazoles