122008-78-0

Basic information

• Product Name: butyl 2-[4-(4-cyano-2-fluoro-phenoxy)phenoxy]propanoate
• Synonyms: butyl 2-[4-(4-cyano-2-fluoro-phenoxy)phenoxy]propanoate;2-(4-ARYLOXYPHENOXY)PROPIONICACID;(R)-( )-2-(4-(2-Fluoro-4-cyanophenoxy)phenoxy)propanoic acid;Cyhalofop;Cyhalofop [iso;Cyhalofop acid;Propanoic acid, 2-(4-(4-cyano-2-fluorophenoxy)phenoxy)-, (R)-;(2R)-2-[4-(4-Cyano-2-fluorophenoxy)phenoxy]propanoic acid
• CAS NO: 122008-78-0
• Molecular Formula: C₂₀H₂₀FNO₄
• Molecular Weight: 301.27
• Mol File: 122008-78-0.mol
• Article Data: 14

Chemical Properties

• Melting Point: 50 °C
• Boiling Point: 446°Cat760mmHg
• Flash Point: 223.6°C
• Appearance: /
• Density: 1.36g/cm³
• Vapor Pressure: 0mmHg at 25°C
• Refractive Index: 1.596
• Storage Temp.: 2-8°C
• PKA: 3.19±0.10(Predicted)
• CAS DataBase Reference: butyl 2-[4-(4-cyano-2-fluoro-phenoxy)phenoxy]propanoate(CAS DataBase Reference)
• NIST Chemistry Reference: butyl 2-[4-(4-cyano-2-fluoro-phenoxy)phenoxy]propanoate(122008-78-0)
• EPA Substance Registry System: butyl 2-[4-(4-cyano-2-fluoro-phenoxy)phenoxy]propanoate(122008-78-0)

Safety Data

• Hazard Codes: Xn,N
• Statements: 22-50
• Safety Statements: 61
• Hazardous Substances Data: 122008-78-0(Hazardous Substances Data)

Usage

General Description

Butyl 2-[4-(4-cyano-2-fluoro-phenoxy)phenoxy]propanoate is a chemical compound with a molecular formula C23H22FNO4. It is a propanoate ester derivative, which consists of a butyl group attached to a propanoate ester. The compound contains two phenoxy groups, one of which is substituted with a cyano group and a fluorine atom. This chemical is commonly used in the formulation of pesticides and herbicides due to its insecticidal and fungicidal properties. Additionally, it is also utilized in the production of pharmaceuticals and industrial products. However, the compound should be handled with caution as it may pose health and environmental risks if not managed properly.

InChI:InChI=1/C16H12FNO4/c1-10(16(19)20)21-12-3-5-13(6-4-12)22-15-7-2-11(9-18)8-14(15)17/h2-8,10H,1H3,(H,19,20)/t10-/m1/s1

Upstream product

• 109-65-9 1-bromo-butane 
• 64248-62-0 3,4-Difluorobenzonitrile 
• 94050-90-5 (R)-2-(4-hydroxyphenoxy)propionic acid 
• 87129-32-6 R-(+)-2-(4-hydroxyphenoxy)propionic acid butyl ester 
• 109-69-3 n-Butyl chloride 
• 122088-57-7 methyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propanoate 
• 71-36-3 butan-1-ol 
• 71301-98-9 (R)-2-(4-hydroxyphenoxy)propionic acid ethyl ester 
• 6574-99-8 3,4-dichloro-benzonitrile 

Downstream Products

• 71-36-3 butan-1-ol 

Relevant articles and documents

Preparation method of herbicide cyhalofop-butyl

The invention discloses a preparation method of herbicide cyhalofop-butyl, and particularly relates to the field of biological pharmacy, and the preparation method specifically comprises the followingsteps: 1, selecting a clean double-neck flask, adding an organic solvent into the double-neck flask, and dissolving (R)-2-[4-(2-fluoro-4-cyanophenoxy) phenoxy] propionic acid into the organic solvent; 2, continuously adding solid inorganic base into the double-neck flask, heating to 50 DEG C, keeping the temperature, and conducting the reaction for 0.5-1 hour in the double-neck flask. By dissolving (R)-2-[4-(2-fluoro-4-cyanophenoxy) phenoxy] propionic acid into an organic solvent, adding solid inorganic base, heating the reaction materials to reflux and carrying out the reaction with water, aHPLC tracking reaction is completed, so that the cyhalofop-butyl is shorter in reaction step, simple and convenient to operate, few in reaction by-products, easy to control, harmless and low in safety risk, the product yield and the optical purity are improved, part of raw materials in the reaction process can be recycled, the cost is low, and industrial production is facilitated.

A method for synthesizing cyhalofop

The invention discloses a method for synthesizing cyhalofop-. In order to (R)- 2 - [4 - (4 - cyano - 2 - monofluoro-benzene oxygen radical) phenoxy] propionic acid methyl ester and butyl alcohol as the raw material, the function of the catalyst for produc

Synthesis method of cyhalofopbutyl raw pesticide

The invention relates to the field of organic synthesis, in particular to a synthesis method of cyhalofopbutyl raw pesticide. The method includes: firstly taking (R)-2-(4-hydroxphenoxyl)propionic acidand n-butyl alcohol as the raw materials to synthesize