1-[(4-Nitrophenyl)methyl]pyrazole

Product Name: 1-[(4-Nitrophenyl)methyl]pyrazole
CAS No.: 110525-57-0
Chemical Name: 1-[(4-Nitrophenyl)methyl]pyrazole
Synonyms: 1-(4-Nitrobenzyl)pyrazole;1-(4-NITROBENZYL)-1H-PYRAZOLE;1-[(4-Nitrophenyl)methyl]pyrazole;1-(4-NITROBENZYL)-1H-PYRAZOLE, 95+%;1-[(4-nitrophenyl)Methyl]-1H-pyrazole;1H-Pyrazole, 1-[(4-nitrophenyl)methyl]-
CBNumber: CB4233970
Molecular Formula: C10H9N3O2
Formula Weight: 203.2
MOL File: 110525-57-0.mol

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1-[(4-Nitrophenyl)methyl]pyrazole Property

Boiling point:: 394.5±25.0 °C(Predicted)
Density: 1.29±0.1 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
pka: 1.79±0.10(Predicted)

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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

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

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.

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N-Bromosuccinimide Price

TRC

Product number: N495868
Product name: 1-(4-Nitrobenzyl)-1H-pyrazole
Packaging: 50mg
Price: $45
Updated: 2021/12/16

TRC

Product number: N495868
Product name: 1-(4-Nitrobenzyl)-1H-pyrazole
Packaging: 100mg
Price: $60
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: COR0001135
Product name: 1-(4-NITROBENZYL)-1H-PYRAZOLE
Purity: 95.00%
Packaging: 1G
Price: $179.55
Updated: 2021/12/16

Matrix Scientific

Product number: 071890
Product name: 1-(4-Nitrobenzyl)-1H-pyrazole
Purity: 95+%
Packaging: 1g
Price: $139
Updated: 2021/12/16

Matrix Scientific

Product number: 071890
Product name: 1-(4-Nitrobenzyl)-1H-pyrazole
Purity: 95+%
Packaging: 5g
Price: $399
Updated: 2021/12/16

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1-[(4-Nitrophenyl)methyl]pyrazole Chemical Properties,Usage,Production

Synthesis

288-13-1

100-11-8

110525-57-0

A mixture of 4-nitrobenzyl bromide (0.500 g, 2.31 mmol), 1H-pyrazole (0.362 g, 5.23 mmol) and potassium carbonate (0.704 g, 5.09 mmol) in acetonitrile (30 mL) was stirred at room temperature overnight. After completion of the reaction, the reaction mixture was diluted with water and extracted with ethyl acetate (3 × 20 mL). The organic layers were combined, dried over anhydrous sodium sulfate, filtered, and the filtrate concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: hexane/ethyl acetate, gradient elution) to afford 1-[(4-nitrophenyl)methyl]pyrazole (0.380 g, 76% yield) as a white solid. Molecular weight (MW) = 203.20. 1H NMR (CDCl3, 500 MHz) δ 8.21-8.19 (m, 1H), 8.19-8.16 (m, 1H), 7.61-7.57 (m, 1H), 7.48-7.44 (m, 1H), 7.32-7.28 (m, 2H), 6.35 (t, J = 2.1 Hz. 1H), 5.44 (s, 2H); APCI MS m/z 204 [M + H]+.

References

[1] Organic Preparations and Procedures International, 2000, vol. 32, # 4, p. 385 - 390
[2] Patent: WO2014/66659, 2014, A1. Location in patent: Paragraph 0824

1-[(4-Nitrophenyl)methyl]pyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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1-(4-NITROBENZYL)-1H-PYRAZOLE

1-[(4-Nitrophenyl)methyl]pyrazole

1-[(4-nitrophenyl)Methyl]-1H-pyrazole

1-(4-NITROBENZYL)-1H-PYRAZOLE, 95+%

1-(4-Nitrobenzyl)pyrazole

1H-Pyrazole, 1-[(4-nitrophenyl)methyl]-

110525-57-0

110252-57-0