2105-61-5

Basic information

• Product Name: 1,2,4-Trifluoro-5-nitrobenzene
• Synonyms: 2,4,5-Trifluoro-1-nitrobenzene;2,4,5-TRIFLUORONITROBENZENE;1,2,4-TRIFLUORO-5-NITROBENZENE;Benzene, 1,2,4-trifluoro-5-nitro;2,4,5-Trifluoro-5-nitrobenzene;1-Nitro-2,4,5-trifluorobenzene;4-chloro-2-flurophenol;2,4,5-Trifluoronitrobenzene 98%
• CAS NO: 2105-61-5
• Molecular Formula: C₆H₂F₃NO₂
• Molecular Weight: 177.08
• EINECS: 218-281-5
• Product Categories: Aromatic Hydrocarbons (substituted) & Derivatives;Miscellaneous;Fluorine series
• Mol File: 2105-61-5.mol
• Article Data: 6

Chemical Properties

• Melting Point: -11 °C
• Boiling Point: 194-195 °C
• Flash Point: 89 °C
• Appearance: clear brown liquid
• Density: 1.544 g/mL at 25 °C(lit.)
• Vapor Pressure: 0.168mmHg at 25°C
• Refractive Index: 1.493-1.495
• Storage Temp.: 2-8°C
• BRN: 2504370
• CAS DataBase Reference: 1,2,4-Trifluoro-5-nitrobenzene(CAS DataBase Reference)
• NIST Chemistry Reference: 1,2,4-Trifluoro-5-nitrobenzene(2105-61-5)
• EPA Substance Registry System: 1,2,4-Trifluoro-5-nitrobenzene(2105-61-5)

Safety Data

• Hazard Codes: Xn,Xi,T
• Statements: 36/37/38-20/21/22-25
• Safety Statements: 36/37/39-26-45-37/39
• RIDADR: UN 2811
• WGK Germany: 3
• HazardClass: 6.1
• PackingGroup: III
• Hazardous Substances Data: 2105-61-5(Hazardous Substances Data)

Usage

Chemical Properties

clear brown liquid

InChI:InChI=1/C6H4BrFO/c7-4-1-2-6(9)5(8)3-4/h1-3,9H

Upstream product

• 367-23-7 1,2,4-trifluorobenzene 
• 578-28-9 1-Chloro-2,5-difluoro-4-nitrobenzene 
• 2105-59-1 2,4-dichloro-5-fluoronitrobenzene 
• 3115-68-2 tetrabutyl phosphonium bromide 
• 1435-48-9 1,3-dichloro-4-fluorobenzene 
• 367-34-0 2,4,5-trifluoroaniline 

Downstream Products

• 122800-06-0 3-<(4,5-difluoro-2-nitrophenyl)amino>-1-methylpyrazole-4-carbonitrile 
• 1800-47-1 4,5-difluoro-2-anilidonitrobenzene 
• 748183-08-6 tert-Butyl [1-(4-amino-2,5-difluorophenyl)pyrrolidin-3-yl]methylcarbamate 
• 1168133-61-6 diethyl 2-(2,5-difluoro-4-nitrophenyl)-2-isobutylmalonate 
• 1034025-91-6 1,3-diethyl (2,5-difluoro-4-nitrophenyl)propanedioate 
• 1377934-62-7 2-(2,5-difluoro-4-nitrophenyl)propanoic acid 
• 1377934-65-0 methyl 2-(2,5-difluoro-4-nitrophenyl)propanoate 
• 1377934-69-4 methyl 2-(4-amino-2,5-difluorophenyl)propanoate 
• 1377934-71-8 methyl 2-(4-bromo-2,5-difluorophenyl)propanoate 
• 1377934-75-2 methyl 2-(2,5-difluoro-4-methylphenyl)propanoate 
• 1377934-78-5 methyl 2-[4-(bromomethyl)-2,5-difluorophenyl]propanoate 
• 1377934-81-0 2-[2,5-difluoro-4-(2-oxocyclopentylmethyl)phenyl]propionic acid 
• 1377934-61-6 diethyl 2-(2, 5-difluoro-4-nitrophenyl)-2-methylmalonate 

Relevant articles and documents

Preparation method of fluorine-containing aryl compound

The invention relates to the field of organic synthesis, and especially relates to a preparation method of a fluorine-containing aryl compound. The invention provides a preparation method of a compound as shown in a formula 1. The preparation method comprises the following steps: fluorination reaction: reacting a compound as shown in a formula 2 with alkali metal fluoride in the presence of a phase transfer catalyst to prepare the compound as shown in the formula 1. According to the preparation method of the fluorine-containing aryl compound provided by the invention, a reaction system does not contain a solvent, the boiling point of the phase transfer catalyst is relatively high, solvent interference is avoided during rectification or short steaming after the reaction is finished, the distillation yield is high, and the product purity is good.

Synthetic method for 1,2,4-trifluorobenzene

The invention provides a synthetic method for 1,2,4-trifluorobenzene, belongs to the field of pesticide, medicine, and liquid crystal material intermediate preparation, and solves the problem of harshreaction conditions of a current method for synthesizing 1,2,4-trifluorobenzene. The synthetic method for the 1,2,4-trifluorobenzene is characterized by comprising the following steps: performing nitration by using 2,4-dichlorofluorobenzene as a raw material and nitric acid as a nitrating agent to form 2,4-dichloro-5-fluoronitrobenzene in the presence of sulfuric acid; dissolving the 2,4-dichloro-5-fluoronitrobenzene into an organic solvent, adding potassium fluoride and a first catalyst, and performing fluorination under the catalysis of the first catalyst to obtain 2,4,5-trifluoronitrobenzene; dissolving the 2,4,5-trifluoronitrobenzene into a solvent, and performing hydrogenation reduction with hydrogen under the catalysis of a second catalyst to obtain 2,4,5-trifluoroaniline; and performing a reaction on the 2,4,5-trifluoroaniline and sulfuric acid, after a salt is formed, performing a diazotization reaction on the salt and nitroso-sulfuric acid, performing a deamination reductionreaction with sodium hypophosphite under the catalysis of a copper salt, and finally performing steam distillation to obtain the 1,2,4-trifluorobenzene. The method provided by the invention has the advantages of mild reaction conditions and the like

Process for preparing multiply fluorinated nitrobenzenes

Multiply, preferably doubly or triply, fluorinated nitrobenzenes are prepared in an advantageous way from the corresponding chloronitrobenzenes and an alkali metal fluoride in a chlorine-fluorine exchange reaction by catalyzing the reaction with a quaternary ammonium compound comprising at least one alkoxypolyoxyalkyl radical.