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259233

Sigma-Aldrich

2,4-Dichlorophenylacetic acid

99%

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About This Item

Linear Formula:
Cl2C6H3CH2CO2H
CAS Number:
19719-28-9
Molecular Weight:
205.04
Beilstein:
1948767
EC Number:
243-248-7
MDL number:
MFCD00004318
UNSPSC Code:
12352100
PubChem Substance ID:
24855694
NACRES:
NA.22

Assay

99%

form

solid

mp

129-131 °C (lit.)

SMILES string

OC(=O)Cc1ccc(Cl)cc1Cl

InChI

1S/C8H6Cl2O2/c9-6-2-1-5(3-8(11)12)7(10)4-6/h1-2,4H,3H2,(H,11,12)

InChI key

GXMWLJKTGBZMBH-UHFFFAOYSA-N

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Application

2,4-Dichlorophenylacetic acid has been used as internal standard in:
  • determination of phenoxyalkanoic acid herbicides in blood by GC with electron-capture detection
  • determination of 2-methyl-4-chlorophenoxyacetic acid (herbicide) in soils by GC technique

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Derivatization and Determination of MCPA in Soil by GC.
Cai K, et al.
Chromatographia, 72(9-10), 933-939 (2010)
Jiaqin Wang et al.
Analytica chimica acta, 996, 20-28 (2017-11-16)
A high throughput, low environmental impact methodology for rapid determination of phenoxy carboxylic acids (PCAs) in water samples was developed by combing dispersive solid phase extraction (DSPE) using velvet-like graphitic carbon nitride (V-g-C
Guobin Xin et al.
Se pu = Chinese journal of chromatography, 26(1), 116-118 (2008-04-29)
A method for the determination of three phenoxyalkanoic acid herbicides, 2,4-dichlorophenoxyacetic acid (2,4-D), 2-(2,4-dichlorophenoxy)-propanoic acid (2,4-DP), and 4-chloro-2-methylphenoxy-acetic acid (MCPA), in blood was developed. The blood sample was diluted with 0.1 mol/L hydrochloric acid, and extracted by solid-phase extraction using
Laurence Braun et al.
Nature microbiology, 4(7), 1208-1220 (2019-05-01)
The protozoan parasite Toxoplasma gondii has co-evolved with its homeothermic hosts (humans included) strategies that drive its quasi-asymptomatic persistence in hosts, hence optimizing the chance of transmission to new hosts. Persistence, which starts with a small subset of parasites that

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