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

• 109-69-3 n-Butyl chloride 
• 64248-62-0 3,4-Difluorobenzonitrile 
• 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 
• 87129-32-6 R-(+)-2-(4-hydroxyphenoxy)propionic acid butyl ester 
• 94050-90-5 (R)-2-(4-hydroxyphenoxy)propionic acid 
• 109-65-9 1-bromo-butane 

Downstream Products

• 71-36-3 butan-1-ol 

Relevant articles and documents

Preparation method of cyhalofop-butyl

The invention provides a preparation method of cyhalofop-butyl. The preparation method comprises the following steps of: (1) taking 3, 4-difluorobenzonitrile and (R)-2-(4-hydroxyphenoxy) propionic acid as raw materials, carrying out an etherification reaction in the presence of an acid-binding agent potassium carbonate and a water-carrying agent, and filtering to remove potassium fluoride, so as to obtain potassium salt as shown in a formula I: (2) acidifying the potassium salt as shown in the formula I, so as to obtain an acidified product; and (3) carrying out an esterification reaction on the acidification reaction product obtained in the step (2) and n-butyl alcohol to obtain cyhalofop-butyl. According to the preparation method, the problems that in the prior art, mixed salt cannot beseparated, many three wastes are generated, COD and ammonia nitrogen in wastewater are high, and the productivity cannot be improved are solved, resource utilization of by-products is achieved, the product yield is high, and continuous and large-scale production of cyhalofop-butyl is conveniently achieved.

Herbicide composition containing metamifop and quinclorac

The invention discloses an herbicide composition containing metamifop and quinclorac. The herbicide composition comprises primary active ingredients and secondary active ingredients, wherein the primary active ingredients comprise the following components in parts by mass: 5-10 parts of metamifop and 10-20 parts of quinclorac; the secondary active ingredients are selected from the following components in parts by mass: 10-20 parts of cyhalofop-butyl, 3-8 parts of bispyribac-sodium, 1-6 parts of halosulfuron-methyl, 3-7 parts of pyrazosulfuron-ethyl and 6-10 parts of pyribenzoxim; and the secondary active ingredients refer to one of cyhalofop-butyl, bispyribac-sodium, halosulfuron-methyl, pyrazosulfuron-ethyl and pyribenzoxim. The invention relates to the technical field of herbicides. According to the herbicide composition containing metamifop and quinclorac disclosed by the invention, the problems such as herbicide resistant weed plants appearing, soil contamination, degradation of water, harm of non-weeds and the like are solved.

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