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1917-92-6

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1917-92-6 Usage

General Description

Pentyl (2,4-dichlorophenoxy)acetate is a chemical compound that is commonly used as a herbicide. It is a type of synthetic auxin, which is a plant hormone that regulates growth and development. Pentyl (2,4-dichlorophenoxy)acetate functions by disrupting the normal growth pattern of plants, causing them to experience uncontrolled and abnormal growth. This ultimately leads to the death of the targeted plant. Due to its herbicidal properties, pentyl (2,4-dichlorophenoxy)acetate is widely used in agriculture to control the growth of weeds and unwanted vegetation. However, it is important to handle and use this chemical with caution, as it can be harmful to both humans and the environment if not properly managed.

Check Digit Verification of cas no

The CAS Registry Mumber 1917-92-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,1 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1917-92:
(6*1)+(5*9)+(4*1)+(3*7)+(2*9)+(1*2)=96
96 % 10 = 6
So 1917-92-6 is a valid CAS Registry Number.
InChI:InChI=1/C13H16Cl2O3/c1-2-3-4-7-17-13(16)9-18-12-6-5-10(14)8-11(12)15/h5-6,8H,2-4,7,9H2,1H3

1917-92-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,4-D-pentyl

1.2 Other means of identification

Product number -
Other names pentyl 2-(2,4-dichlorophenoxy)acetate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1917-92-6 SDS

1917-92-6Relevant articles and documents

Preparation method of 2,4-dichlorophenoxyacetic acid and salt thereof

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Paragraph 0111; 0113, (2019/01/06)

The invention provides a preparation method of 2,4-dichlorophenoxyacetic acid and a salt thereof, wherein the preparation method includes the following steps: S1) carrying out a reaction of phenol andchloracetic ester under alkaline conditions to obtain phenoxyacetic ester; S2) carrying out selective chlorination reaction of the phenoxyacetic ester with a chlorinating agent under the action of acatalyst A and a catalyst B to obtain 2,4-dichlorophenoxyacetic ester, wherein the catalyst A is Lewis acid, and the catalyst B is C5-22 thioethers, thiazoles, isothiazoles and thiophenes or halogenated derivatives thereof; and S3) carrying out hydrolysis reaction of 2,4-dichlorophenoxyacetic ester under acidic conditions to obtain 2,4-dichlorophenoxyacetic acid; or after 2,4-dichlorophenoxyaceticester is obtained, carrying out an alkaline hydrolysis reaction with an alkaline compound to obtain 2,4-dichlorophenoxyacetate. The production and use of 2,4-dichlorophenol with unpleasant odor are avoided, the production of dioxins is eliminated, the yield of products is improved, and the output of three wastes is greatly reduced.

Preparation method for 2,4-dichlorophenoxyacetic acid

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, (2018/09/08)

The invention provides a preparation method for 2,4-dichlorophenoxyacetic acid. The preparation method comprises the following steps: A) reacting C2 or above-C2 alcohol with halogenated acetic acid soas to obtain halogenated acetate; B) reacting halogenated acetic acid with 2,4-dichlorophenolate so as to obtain 2,4-dichlorophenoxyacetate; and C) hydrolyzing 2,4-dichlorophenoxyacetate so as to obtain 2,4-dichlorophenoxyacetic acid. According to the invention, C2 or above-C2 alcohol reacts with halogenated acetic acid to obtain a halogenated acetate intermediate, the intermediate has good stability, few reaction by-products are produced, and high yield is realized; then the intermediate further reacts with 2,4-dichlorophenolate to obtain 2,4-dichlorophenoxyacetate; and finally, 2,4-dichlorophenoxyacetate is hydrolyzed to obtain 2,4-dichlorophenoxyacetic acid. Through a specific reaction route of the invention, the finally prepared 2,4-dichlorophenoxyacetic acid has high purity and yield, few by-products are produced, the reaction route is simple, and the application of the preparation method is facilitated.

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