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2,4-Difluoronitrobenzene(CAS#446-35-5)

Chemical Property:

Molecular Formula C6H3F2NO2
Molar Mass 159.09
Density 1.451 g/mL at 25 °C (lit.)
Melting Point 9-10 °C (lit.)
Boling Point 203-204 °C (lit.)
Flash Point 195°F
Water Solubility Insoluble in water.
Vapor Presure 0.331mmHg at 25°C
Vapor Density >1 (vs air)
Appearance clear liquid
Specific Gravity 1.45
Color Light yellow to Brown
BRN 2048034
Storage Condition Sealed in dry,Room Temperature
Stability Stable. Incompatible with strong bases, strong oxidizing agents. Combustible.
Refractive Index n20/D 1.511(lit.)
Physical and Chemical Properties Density 1.451
melting point 9-10°C
boiling point 203-204°C
refractive index 1.511-1.513
flash point 90°C
Use It is an intermediate of drug fluorophenyl ibuprofen, and also used as an intermediate of pesticide and liquid crystal material

Product Detail

Product Tags

Risk Codes R25 – Toxic if swallowed
R36/37/38 – Irritating to eyes, respiratory system and skin.
R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed.
R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed.
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
S23 – Do not breathe vapour.
UN IDs UN 2810 6.1/PG 1
WGK Germany 3
RTECS CZ5730000
TSCA T
HS Code 29049090
Hazard Note Irritant
Hazard Class 6.1
Packing Group III

 

Introduction

2,4-Difluoronitrobenzene is an organic compound. The following is an introduction to its properties, uses, manufacturing methods and safety information:Quality:2,4-difluoronitrobenzene is a colorless crystalline solid with strong oxidizing and corrosive properties. It can be dissolved in some organic solvents such as ethanol, ether, and methylene chloride.Use:2,4-difluoronitrobenzene is often used as a substrate or reagent in organic synthesis. It can be used in the synthesis of inhibitors, pesticides and pharmaceutical intermediates. It can also be used to synthesize dyes, explosives, and fungicides, among others.Method:2,4-difluoronitrobenzene is usually prepared by nitrification of 2,4-difluoronitroaniline. 2,4-difluoronitroaniline is dissolved in concentrated sulfuric acid, and nitric acid is slowly added dropwise. At the end of the reaction, the product is filtered and then decolorized and dried.Safety Information: Chemical protective glasses, gloves and protective clothing should be worn. Avoid inhaling its gases or dust, and avoid contact with skin and eyes. During use and storage, a well-ventilated environment should be maintained, and relevant safety operating procedures should be strictly observed.


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