2,5-Difluoro-4-(hydrazino)-benzonitrile

Product Name: 2,5-Difluoro-4-(hydrazino)-benzonitrile
CAS No.: 129946-63-0
Chemical Name: 2,5-Difluoro-4-(hydrazino)-benzonitrile
Synonyms: 4-Cyano-2,5-difluorophenylhydrazine;2,5-Difluoro-4-hydrazinylbenzonitrile;Benzonitrile, 2,5-difluoro-4-hydrazinyl-;2,5-Difluoro-4-hydrazinobenzonitrile 95+%
CBNumber: CB11116859
Molecular Formula: C7H5F2N3
Formula Weight: 169.13
MOL File: 129946-63-0.mol

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2,5-Difluoro-4-(hydrazino)-benzonitrile Property

storage temp.: Keep in dark place,Inert atmosphere,Store in freezer, under -20°C

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Safety

HazardClass: IRRITANT
HS Code: 2928009090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H319Causes serious eye irritation

Precautionary statements

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

Ark Pharm

Product number: AK-57283
Product name: 2,5-Difluoro-4-hydrazinylbenzonitrile
Purity: 95+%
Packaging: 250mg
Price: $64
Updated: 2021/12/16

Apolloscientific

Product number: PC49169
Product name: 2,5-Difluoro-4-hydrazinobenzonitrile
Purity: 95+%
Packaging: 250mg
Price: $102
Updated: 2021/12/16

Ark Pharm

Product number: AK-57283
Product name: 2,5-Difluoro-4-hydrazinylbenzonitrile
Purity: 95+%
Packaging: 1g
Price: $160
Updated: 2021/12/16

AK Scientific

Product number: 5518AA
Product name: 2,5-Difluoro-4-hydrazinylbenzonitrile
Packaging: 250mg
Price: $169
Updated: 2021/12/16

Matrix Scientific

Product number: 059557
Product name: 2,5-Difluoro-4-hydrazinylbenzonitrile
Purity: >95%
Packaging: 500mg
Price: $262
Updated: 2021/12/16

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2,5-Difluoro-4-(hydrazino)-benzonitrile Chemical Properties,Usage,Production

Synthesis

98349-22-5

129946-63-0

General procedure for the synthesis of 2,5-difluoro-4-hydrazinylbenzonitrile from 2,4,5-trifluorobenzonitrile: 2,4,5-trifluorobenzonitrile (1 g, 6.3 mmol) was dissolved in hydrazine hydrate (610 mg, 19 mmol) in 1,4-dioxane (3 mL), and the reaction was stirred for 16 hours at room temperature. Upon completion of the reaction, the reaction mixture was extracted by partitioning between ethyl acetate (30 mL) and saturated aqueous sodium bicarbonate (20 mL). The organic layer was separated, washed with saturated aqueous sodium chloride solution (10 mL), dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure to afford 4-hydrazino-2,5-difluorobenzonitrile (1.012 g, 93% yield) as a white solid.LC-MS analysis showed m/z (M+H)+ of 170.0.1H-NMR (400 MHz, DMSO-d6) δ (ppm): 4.41 (2H, broad peak), 6.93 (1H, double peak), 7.51 (1H, double peak), 8.22 (1H, broad peak).

References

[1] Patent: US2008/269193, 2008, A1. Location in patent: Page/Page column 40
[2] Patent: US5006148, 1991, A
[3] Patent: US6906006, 2005, B1

2,5-Difluoro-4-(hydrazino)-benzonitrile Preparation Products And Raw materials

Raw materials

Preparation Products

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2,5-Difluoro-4-(hydrazino)-benzonitrile Suppliers

China 16 Germany 1 India 1 United Kingdom 1 United States 5 Global 24

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129946-63-0, 2,5-Difluoro-4-(hydrazino)-benzonitrileRelated Search:

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2,5-Difluoro-4-hydrazinylbenzonitrile

2,5-Difluoro-4-hydrazinobenzonitrile 95+%

4-Cyano-2,5-difluorophenylhydrazine

Benzonitrile, 2,5-difluoro-4-hydrazinyl-

129946-63-0

C7H5F2N3