5-nitrobenzofuran

Product Name: 5-nitrobenzofuran
CAS No.: 18761-31-4
Chemical Name: 5-nitrobenzofuran
Synonyms: 5-nitrobenzofuran;Benzofuran, 5-nitro-;5-Nitro-[2,3]-benzofuran
CBNumber: CB01515811
Molecular Formula: C8H5NO3
Formula Weight: 163.13
MOL File: 18761-31-4.mol

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5-nitrobenzofuran Property

Melting point:: 114-115 °C
Boiling point:: 273.1±13.0 °C(Predicted)
Density: 1.380±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
solubility: Chloroform (Slightly)
form: Solid
Appearance: Off-white to light yellow Solid

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Safety

HS Code: 2932209090

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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

Apolloscientific

Product number: OR111026
Product name: 5-Nitro-1-benzofuran
Packaging: 1g
Price: $318
Updated: 2021/12/16

SynQuest Laboratories

Product number: 4H54-1-DZ
Product name: 5-Nitro-1-benzofuran
Packaging: 1g
Price: $351
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0156098
Product name: 5-NITRO-1-BENZOFURAN
Purity: 95.00%
Packaging: 1MG
Price: $597.89
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0156098
Product name: 5-NITRO-1-BENZOFURAN
Purity: 95.00%
Packaging: 10MG
Price: $631.85
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0156098
Product name: 5-NITRO-1-BENZOFURAN
Purity: 95.00%
Packaging: 5MG
Price: $633.99
Updated: 2021/12/16

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5-nitrobenzofuran Chemical Properties,Usage,Production

Uses

5-Nitro-1-benzofuran is a chemical reagent used in the synthesis of internal alkynes. Also used in the preparation of anti-oxidants quinolines.

Synthesis

77123-61-6

18761-31-4

Step 1c. Synthesis of 5-nitrobenzofuran (Compound 104): a mixture of (2-fluoro-5-nitrophenyl)ethynyltrimethylsilane (Compound 103, 7.30 g, 30.8 mmol), sodium acetate (10.1 g, 123 mmol), and N,N-dimethylformamide (70 mL) was stirred and reacted for 16 hours at 100 °C. After completion of the reaction, the precipitate was collected by filtration and washed with N,N-dimethylformamide. The filtrates were combined and the solvent was removed by evaporation to give the crude product. The crude product was purified by short silica gel column chromatography (eluent: ethyl acetate/petroleum ether=1/10) to afford the title compound 104 as a brown solid (3.0 g, 60% yield).

References

[1] Patent: US2009/76044, 2009, A1. Location in patent: Page/Page column 25

5-nitrobenzofuran Preparation Products And Raw materials

Raw materials

Preparation Products

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5-nitrobenzofuran Suppliers

China 58 Germany 1 India 2 Switzerland 1 United Kingdom 1 United States 4 Global 67

Nanjing Chemlin Chemical Co., Ltd

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Nanjing JinruiJiuAn Biotechnology Co., Ltd.

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Synchem OHG

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Changzhou Hopschain Chemical Co.,Ltd.

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View Lastest Price from 5-nitrobenzofuran manufacturers

Career Henan Chemical Co

Product: 5-nitrobenzofuran 18761-31-4
Price: US $1.00/KG
Min. Order: 1KG
Purity: 97%-99.9%
Supply Ability: 200kg
Release date: 2020-03-05

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5-nitrobenzofuran

Benzofuran, 5-nitro-

5-Nitro-[2,3]-benzofuran

18761-31-4