4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97

Product Name: 4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97
CAS No.: 105994-77-2
Chemical Name: 4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97
Synonyms: 1H-Pyrazole, 4-bromo-1-methyl-5-phenyl-;4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97
CBNumber: CB5506552
Molecular Formula: C10H9BrN2
Formula Weight: 237.1
MOL File: 105994-77-2.mol

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4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97 Property

Melting point:: 65-66 °C
Boiling point:: 155-156 °C(Press: 12 Torr)
Density: 1.4199 g/cm3(Temp: 56.6 °C)
storage temp.: Sealed in dry,Room Temperature
pka: 0.04±0.10(Predicted)
Appearance: White to light yellow Solid

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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

American Custom Chemicals Corporation

Product number: HCH0022903
Product name: 4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE
Purity: 95.00%
Packaging: 50G
Price: $2946.62
Updated: 2021/12/16

Ambeed

Product number: A201359
Product name: 4-Bromo-1-methyl-5-phenyl-1H-pyrazole
Purity: 95%
Packaging: 100mg
Price: $90
Updated: 2021/12/16

Alichem

Product number: 105994772
Product name: 4-Bromo-1-methyl-5-phenyl-1h-pyrazole
Packaging: 250mg
Price: $150.56
Updated: 2021/12/16

Ambeed

Product number: A201359
Product name: 4-Bromo-1-methyl-5-phenyl-1H-pyrazole
Purity: 95%
Packaging: 1g
Price: $360
Updated: 2021/12/16

Alichem

Product number: 105994772
Product name: 4-Bromo-1-methyl-5-phenyl-1h-pyrazole
Packaging: 1g
Price: $376.16
Updated: 2021/12/16

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4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97 Chemical Properties,Usage,Production

Synthesis

3463-27-2

3463-26-1

105994-55-6

105994-77-2

B. Synthesis of 4-bromo-1-methyl-3-phenyl-1H-pyrazole and 4-bromo-1-methyl-5-phenyl-1H-pyrazole. 1-Methyl-3-phenyl-1H-pyrazole and 1-methyl-5-phenyl-1H-pyrazole (1.0 g, 6.3 mmol) were mixed with N-bromosuccinimide (NBS, 1.1 g, 6.3 mmol) in acetonitrile (25 mL), stirred and heated to 70 °C for 1 h of reaction. After completion of the reaction, the reaction solution was concentrated and the crude product was purified by column chromatography using hexane-ethyl acetate gradient elution (from 100% hexane to 25% ethyl acetate in hexane solution) to afford 4-bromo-1-methyl-3-phenyl-1H-pyrazole (504 mg, 34% yield) and 4-bromo-1-methyl-5-phenyl-1H-pyrazole (295 mg, 20% yield), respectively. ). 1H NMR (400 MHz, DMSO-d6): δ 8.01 (s, 1H), 7.95 (d, 2H), 7.41 (t, 2H), 7.38 (d, 1H), 3.85 (s, 3H); 1H NMR (400 MHz, DMSO-d6): δ 7.63 (s, 1H), 7.50 (m, 5H), 3.77 ( s, 3H).

References

[1] Patent: WO2006/102194, 2006, A1. Location in patent: Page/Page column 181

4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97 Preparation Products And Raw materials

Raw materials

Preparation Products

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4-BROMO-1-METHYL-5-PHENYL-1H-PYRAZOLE, 97 Suppliers

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