25190
4-Chloro-2-methylphenoxyacetic acid
technical, ≥95.0% (T)
Synonym(s):
4-Chloro-o-tolyloxyacetic acid, MCPA
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About This Item
Linear Formula:
ClC6H3(CH3)OCH2CO2H
CAS Number:
Molecular Weight:
200.62
Beilstein:
2051752
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
grade
technical
Assay
≥95.0% (T)
form
solid
mp
114-118 °C (lit.)
solubility
water: insoluble(lit.)
functional group
carboxylic acid
chloro
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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
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
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
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
O Pozo et al.
Journal of chromatography. A, 923(1-2), 75-85 (2001-08-21)
A rapid and sensitive LC-electrospray tandem mass spectrometry method has been developed for the quantitation of 4-chloro-2-methylphenoxyacetic acid (MCPA) and 4-chloro-2-methylphenol in both water and soil samples. Soil samples were extracted in alkaline media and cleaned-up by solid-phase extraction with
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