2,3,4-Trifluorobenzonitrile

Base Information

• Chemical Name: 2,3,4-Trifluorobenzonitrile
• CAS No.: 143879-80-5
• Molecular Formula: C7H2F3N
• Molecular Weight: 157.095
• Hs Code.: 29269090
• Mol file: 143879-80-5.mol

Synonyms:2,3,4-TRIFLUOROBENZONITRILE;Benzonitrile, 2,3,4-trifluoro- (9CI);3-flurobenzoyl chloride;2,3,4-Trifluorobenzonitrile 98%;2,3,4-Trifluorobenzonitrile98%

Chemical Property of 2,3,4-Trifluorobenzonitrile

Chemical Property:

• Appearance/Colour: clear slightly yellow to light brown liquid
• Vapor Pressure: 0mmHg at 25°C
• Melting Point: 95-99C
• Refractive Index: n20/D 1.4725(lit.)
• Boiling Point: 183.6 °C at 760 mmHg
• Flash Point: 64.8 °C
• PSA: 23.79000
• Density: 1.37 g/cm³
• LogP: 1.97558
• Storage Temp.: 2-8°C

Purity/Quality:

98% ^*data from raw suppliers

2,3,4-Trifluorobenzonitrile ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi,T,Xn
• Hazard Codes: Xn,T,Xi
• Statements: 36/37/38-20/21/22
• Safety Statements: 36/37/39-26-36-36/37-9

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3,4-Trifluorobenzonitrile

There total 3 articles about 2,3,4-Trifluorobenzonitrile which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 93.0%

2,3,4-trifluorobenzamide (207919-09-3) → 2,3,4-trifluorobenzonitrile (143879-80-5)

Guidance literature:

With trichlorophosphate; at 80 ℃; for 2h; Inert atmosphere;

DOI:10.1039/d0ob02484h

Reference yield:

2,3,4,-trifluorobenzoic acid (61079-72-9) → 2,3,4-trifluorobenzonitrile (143879-80-5)

Guidance literature:

Multi-step reaction with 3 steps

1: oxalyl dichloride / dichloromethane; N,N-dimethyl-formamide / 23 h / 20 °C

2: ammonium hydroxide / chloroform / 0 °C

3: trichlorophosphate / 2 h / 80 °C / Inert atmosphere

With ammonium hydroxide; oxalyl dichloride; trichlorophosphate; In dichloromethane; chloroform; N,N-dimethyl-formamide;

DOI:10.1039/d0ob02484h

Reference yield:

2,3,4-trifluoro-benzoyl chloride (157373-08-5) → 2,3,4-trifluorobenzonitrile (143879-80-5)

Guidance literature:

Multi-step reaction with 2 steps

1: ammonium hydroxide / chloroform / 0 °C

2: trichlorophosphate / 2 h / 80 °C / Inert atmosphere

With ammonium hydroxide; trichlorophosphate; In chloroform;

DOI:10.1039/d0ob02484h

upstream raw materials:

2,3,4,-trifluorobenzoic acid

2,3,4-trifluorobenzamide

2,3,4-trifluoro-benzoyl chloride

Downstream raw materials:

(2,3,4-trifluorophenyl)methanamine

2-(6-cyano-2,3-difluorophenyl)malonic acid diethyl ester

6,7-difluoro-1H-indazole-3-amine

4-(4-Cyano-2,3-difluoro-phenyl)-piperazine-1-carboxylic acid tert-butyl ester

Refernces