2-FLUORO-5-METHOXYBENZONITRILE Chemical Properties

Melting point:

77-80°C

Boiling point:

232.7±25.0 °C(Predicted)

Density 

1.18±0.1 g/cm3(Predicted)

storage temp. 

Sealed in dry,Room Temperature

solubility 

soluble in Methanol

form 

powder to crystal

color 

White to Almost white

CAS DataBase Reference

127667-01-0(CAS DataBase Reference)

Safety Information

Hazard Codes 

T

Risk Statements 

20/21/22-36/37/38-36/38

Safety Statements 

26-36/37/39-45-36/37

RIDADR 

3439

WGK Germany 

3

Hazard Note 

Toxic

HazardClass 

6.1

PackingGroup 

III

HS Code 

29269090

2-FLUORO-5-METHOXYBENZONITRILE Usage And Synthesis

Synthesis

The general procedure for the synthesis of 2-fluoro-5-methoxybenzonitrile from the compound (CAS: 796120-91-7) was as follows: 15 g of 2-fluoro-5-methoxybenzaldehyde oxime was dissolved in 150 mL of tetrahydrofuran, followed by the addition of 40 g of trifluoroacetic anhydride. 20 mL of triethylamine was slowly added under stirring. Upon completion of the reaction, the reaction mixture was concentrated to remove the solvent. Water was added to the concentrate and extracted with ethyl acetate. The organic phase was separated, dried with anhydrous sodium sulfate, and then concentrated to obtain the crude product. The crude product was purified by silica gel column chromatography to give 11 g of 2-fluoro-5-methoxybenzonitrile.

References

[1] Patent: CN107778264, 2018, A. Location in patent: Paragraph 0029; 0030
[2] Patent: CN107698535, 2018, A. Location in patent: Paragraph 0029; 0030
[3] Patent: CN108129415, 2018, A. Location in patent: Paragraph 0029-0030

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