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25190

Sigma-Aldrich

4-Chloro-2-methylphenoxyacetic acid

technical, ≥95.0% (T)

Sinónimos:

4-Chloro-o-tolyloxyacetic acid, MCPA

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About This Item

Fórmula lineal:
ClC6H3(CH3)OCH2CO2H
Número de CAS:
94-74-6
Peso molecular:
200.62
Beilstein/REAXYS Number:
2051752
EC Number:
202-360-6
MDL number:
MFCD00004306
UNSPSC Code:
12352100
PubChem Substance ID:
57648118
NACRES:
NA.22

grade

technical

assay

≥95.0% (T)

form

solid

mp

114-118 °C (lit.)

solubility

water: insoluble(lit.)

SMILES string

Cc1cc(Cl)ccc1OCC(O)=O

InChI

1S/C9H9ClO3/c1-6-4-7(10)2-3-8(6)13-5-9(11)12/h2-4H,5H2,1H3,(H,11,12)

InChI key

WHKUVVPPKQRRBV-UHFFFAOYSA-N

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General description

4-Chloro-2-methylphenoxyacetic acid (MPCA) is a herbicide. Various MCPA-mineralising bacterial combinations has been tested using a high-throughput microplate radiorespirometric mineralisation assay. Degradation mechanisms of OH and MCPA including molecular form and anionic form have been studied. Rapid and sensitive LC-electrospray tandem mass spectrometry method has been developed for the quantitation of MCPA in water and soil samples.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Urse S Krüger et al.
Pest management science, 71(2), 257-265 (2014-04-17)
The herbicide 4-chloro-2-methylphenoxyacetic acid (MCPA) is found frequently in Danish groundwater in concentrations exceeding the EU threshold limit of 0.1 µg L(-1) . Groundwater is used for drinking water, and one potential remediation strategy is bioaugmentation using inoculation of sand filters at
Edgar Hiller et al.
Chemosphere, 87(5), 437-444 (2011-12-31)
Herbicide leaching through soil into groundwater greatly depends upon sorption-desorption and degradation phenomena. Batch adsorption, desorption and degradation experiments were performed with acidic herbicide MCPA and three soil types collected from their respective soil horizons. MCPA was found to be
G G Bond et al.
British journal of industrial medicine, 50(4), 340-348 (1993-04-01)
For the purpose of assessing the human carcinogenic potential of the chlorophenoxy herbicides MCPA, MCPP, and 2,4-DP, the relevant epidemiological and toxicological evidence is reviewed. These compounds have not produced tumours in animal studies conducted under current test guidelines, giving
Xiaohua Ren et al.
Chemosphere, 88(1), 39-48 (2012-03-27)
The initial degradation mechanisms of ⁱOH and 4-chloro-2-methylphenoxyacetic acid (MCPA) including molecular form and anionic form are studied at the MPWB1K/6-311+G(3df, 2p)//MPWB1K/6-31+G(d, p) level. Possible reaction pathways of H-atom abstraction and ⁱOH addition are considered in detail. By result comparison
Erkin Gözdereliler et al.
Applied and environmental microbiology, 79(1), 367-375 (2012-11-06)
Two 4-chloro-2-methylphenoxyacetic acid (MCPA)-degrading enrichment cultures selected from an aquifer on low (0.1 mg liter(-1)) or high (25 mg liter(-1)) MCPA concentrations were compared in terms of metabolic activity, community composition, population growth, and single cell physiology. Different community compositions
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