1713-12-8

Basic information

• Product Name: MCPA-1-BUTYL ESTER
• Synonyms: ((4-chloro-o-tolyl)oxy)-aceticacibutylester;(4-chloro-2-methylphenoxy)-aceticacibutylester;2-methyl-4-chlorophenoxyaceticacidn-butylester;butyl2-methyl-4-chlorophenoxyacetate;butyl4-chloro-o-tolyloxyacetate;mcpa,butylester;mcpabutyl;mcpbutylester
• CAS NO: 1713-12-8
• Molecular Formula: C₁₃H₁₇ClO₃
• Molecular Weight: 256.72528
• EINECS: 216-989-9
• Mol File: 1713-12-8.mol
• Article Data: 8

Chemical Properties

• Boiling Point: 332.2°Cat760mmHg
• Flash Point: 124.8°C
• Appearance: /
• Density: 1.127g/cm³
• Vapor Pressure: 0.000148mmHg at 25°C
• Refractive Index: 1.505
• CAS DataBase Reference: MCPA-1-BUTYL ESTER(CAS DataBase Reference)
• NIST Chemistry Reference: MCPA-1-BUTYL ESTER(1713-12-8)
• EPA Substance Registry System: MCPA-1-BUTYL ESTER(1713-12-8)

Safety Data

• Hazardous Substances Data: 1713-12-8(Hazardous Substances Data)

Usage

Description

MCPA-1-BUTYL ESTER, also known as 2-(4-chloro-2-methylphenoxy) propanoic acid butyl ester, is a synthetic compound commonly utilized in the agricultural industry as a selective post-emergent herbicide. It is characterized by its low solubility in water and its environmentally friendly nature, which makes it a preferred choice over its parent compound, MCPA (C369470).

Uses

Used in Agricultural Industry:
MCPA-1-BUTYL ESTER is used as a herbicide for controlling a wide range of broadleaf weeds and grasses in various crops. It is particularly effective in controlling weeds such as docks, groundsel, and charlock. The herbicide is absorbed by the leaves and roots of the plants, disrupting their growth and ultimately leading to their death.
The primary reason for the use of MCPA-1-BUTYL ESTER in the agricultural industry is its selective nature, which allows it to target specific weeds without causing significant harm to the desired crop. This selective action minimizes the impact on non-target plants and helps maintain a healthy and productive agricultural ecosystem.
Additionally, the low solubility of MCPA-1-BUTYL ESTER in water contributes to its environmental friendliness. This property reduces the potential for leaching into groundwater and surface water sources, thereby minimizing the risk of water pollution and protecting aquatic ecosystems.

InChI:InChI=1/C13H17ClO3/c1-3-4-7-16-13(15)9-17-12-6-5-11(14)8-10(12)2/h5-6,8H,3-4,7,9H2,1-2H3

Upstream product

• 590-02-3 butyl chloroacetate 
• 95-48-7 ortho-cresol 
• 2989-17-5 methyl 2-methylphenoxy acetate 
• 2436-73-9 methyl 2-(4-chloro-2-methylphenoxy)acetate 
• 71-36-3 butan-1-ol 
• 7397-62-8 butyl glycolate 

Downstream Products

• 3653-48-3 sodium 2-methyl-4-chlorophenoxyacetate 
• 94-74-6 MCPA 

Relevant articles and documents

Preparation method of phenoxycarboxylate herbicide

The invention provides a preparation method of a phenoxycarboxylate herbicide, wherein the preparation method includes the steps: S1, carrying out condensation reaction of phenol or o-cresol with chlorocarboxylic ester under the action of alkaline substances to obtain phenoxycarboxylic ester, wherein chlorocarboxylic ester has the general formula of ClR1COOR, R1 is C1-3 alkylene or alkylidene, R is C1-10 alkyl of or C3-10 cycloalkyl; and S2, under the action of a first catalyst and a second catalyst, carrying out selective chlorination of the phenoxycarboxylic ester with a chlorinating agent to obtain the chlorophenoxycarboxylic ester represented by the formula I, R3 is H, Cl or CH3, the first catalyst is selected from Lewis acid, and the second catalyst is selected from C5-22 thioether, thiazole, isothiazole or thiophene compounds; and S3, mixing chlorophenoxycarboxylic ester with an alkaline compound, and carrying out alkaline hydrolysis to obtain the phenoxycarboxylate herbicide. The preparation method can improve the product quality and production operation environment, and has low quantity of three wastes.

Preparation method of phenoxycarboxylic acid herbicide

The invention provides a preparation method of a phenoxycarboxylic acid herbicide, wherein the preparation method includes the steps: S1, carrying out condensation reaction of phenol or o-cresol withchlorocarboxylic ester under the action of an alkaline substance to obtain phenoxycarboxylic ester, wherein the chlorocarboxylic ester has the general formula of ClR1COOR, R1 is C1-3 alkylene or alkylidene, and R is C1-10 alkyl or C3-10 cycloalkyl; S2, carrying out selective chlorination of phenoxycarboxylic ester with a chlorinating agent under the action of a first catalyst and a second catalyst, to obtain chlorobenzoxycarboxylic ester, wherein the first catalyst is selected from Lewis acid, the second catalyst is C5-22 thioether compounds, thiazole compounds, isothiazole compounds or thiophene compounds; and S3, carrying out acidolysis reaction of chlorobenzoxycarboxylic ester, to obtain the phenoxycarboxylic acid herbicide represented by the formula I, wherein R3 is H, Cl or CH3. The preparation method can improve the product quality and the operation environment of a production site, and has low quantity of three wastes.

Preparation method of phenoxy carboxylic acid herbicide

The invention provides a preparation method of a phenoxy carboxylic acid herbicide, comprising the following steps: S1, carrying out a condensation reaction between a phenolic compound and hydroxycarboxylic ester under the action of a catalyst so as to obtain phenoxycarboxylic ester, wherein the catalyst is one or more of protonic acid, solid acid and a supported catalyst; S2, carrying out 2- and/or 4- selecting chlorination reaction between phenoxycarboxylic ester and a chloridizing agent in the presence of a first catalyst and a second catalyst, so as to obtain chlorinated phenoxycarboxylicester, wherein the first catalyst is selected from Lewis acid, and the second catalyst is selected from a C5-C22 thioether compound, a C5-C22 thiazole compound, a C5-C22 isothiazole compound or a C5-C22 thiophene compound; and S3, carrying out an acidolysis reaction on chlorinated phenoxycarboxylic ester so as to obtain the phenoxy carboxylic acid herbicide. By the method, product quality and thelive environment of production can be improved, and ''three wastes (waste gas, waste water and industrial residue)'' are minimized.