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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/REAXYS Number:
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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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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