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54939-58-1

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Basic Information
CAS No.: 54939-58-1
Name: 2-(DIFLUOROMETHOXY)-5-NITROANILINE
Molecular Structure:
Molecular Structure of 54939-58-1 (2-(DIFLUOROMETHOXY)-5-NITROANILINE)
Formula: C7H6 F2 N2 O3
Molecular Weight: 204.133
Synonyms: 2-(Difluoromethoxy)-5-nitroaniline
Density: 1.470±0.06 g/cm3(Predicted)
Melting Point: 75-77°C
Boiling Point: 342.9±37.0 °C(Predicted)
Hazard Symbols: Xi
Risk Codes: R20/21/22
PSA: 81.07000
LogP: 2.88280
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Chemistry

Product Name: 2-(Difluoromethoxy)-5-nitroaniline (CAS NO.54939-58-1)


Molecular Formula: C7H6F2N2O3
Molecular Weight: 204.13g/mol
Mol File: 54939-58-1.mol
Melting Point: 75-77°C
Boiling point: 342.9 °C at 760 mmHg
Flash Point: 161.2 °C
Density: 1.47 g/cm3

Production

P-aminophenol in the TEBA under phase transfer catalysis with Freon -22 to etherification reaction of pairs of two F-anisidine (2), 2, acetylation with acetic anhydride was right difluoromethoxy-acetyl-aniline (3) , 3 by concentrated H2SO4 and concentrated HNO3 mixed acid nitration was N-(2 - nitro--4 - II Fluoro-methoxy-phenyl)-acetamide (4), and finally at room temperature directly to the NaOH solution of 4 hydrolysis 2-(Difluoromethoxy)-5-nitroaniline (CAS NO.54939-58-1).

Safety Profile

Safety Information of 2-(Difluoromethoxy)-5-nitroaniline (CAS NO.54939-58-1):
Hazard Codes: Xi
Risk Statements: 20/21/22 
20:  Harmful by inhalation 
21:  Harmful in contact with skin 
22:  Harmful if swallowed 
Safety Statements: 26-36/37/39
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
39:  Wear eye/face protection