2-Methyl-4-chlorophenoxyacetic Acid
- MCPA
- 94-74-6
- (4-Chloro-2-methylphenoxy)acetic acid
- 2-METHYL-4-CHLOROPHENOXYACETIC ACID
- Agroxone
- Create:2005-03-26
- Modify:2025-01-18
- 2 Methyl 4 chlorophenoxyacetic Acid
- 2-Methyl-4-chlorophenoxyacetic Acid
- Agroxone
- MCPA
- Methoxone
- MCPA
- 94-74-6
- (4-Chloro-2-methylphenoxy)acetic acid
- 2-METHYL-4-CHLOROPHENOXYACETIC ACID
- Agroxone
- Metaxon
- 2-(4-Chloro-2-methylphenoxy)acetic acid
- Zelan
- 4-Chloro-2-methylphenoxyacetic acid
- Mephanac
- Emcepan
- Netazol
- Rhonox
- Herbicide M
- Hedarex M
- Hedonal M
- Okultin M
- Leuna M
- Bordermaster
- Hornotuho
- Linormone
- Agroxon
- Chiptox
- Krezone
- Raphone
- Rhomenc
- Rhomene
- Trasan
- Anicon kombi
- Dicopur-M
- Anicon M
- B-Selektonon M
- Cornox-M
- Hormotuho
- Leyspray
- Shamrox
- Ustinex
- 2,4-MCPA
- Empal
- Kilsem
- Acetic acid, (4-chloro-2-methylphenoxy)-
- Legumex db
- Phenoxylene plus
- Seppic mmd
- Vesakontuho mcpa
- Hedapur M 52
- Phenoxylene super
- Phenoxylene 50
- Razol dock killer
- Weedone mcpa ester
- BH Mcpa
- Chwastox 30
- Agritox
- Vacate
- 2-Methyl-4-chlorphenoxyessigsaeure
- Chwastox Extra
- Acme MCPA Amine 4
- 2M-4Ch
- Banvel M
- Brominal M & plus
- (4-Chloro-o-toloxy)acetic acid
- Dikotes
- Dikotex
- 2M-4Kh
- Caswell No. 557C
- [(4-Chloro-o-tolyl)oxy]acetic acid
- Kilsem4k-2m
- Methylchlorophenoxyacetic acid
- 4-Chloro-o-toloxyacetic acid
- ((4-Chloro-o-tolyl)oxy)acetic acid
- 4-Chloro-o-cresoxyacetic acid
- Cekherbex
- Chwastox
- Dicotex
- Mecaphar
- (2-Methyl-4-chlorophenoxy)acetic acid
- Selektonon M
- Soviet technical herbicide 2M-4C
- 4K-2M
- Albar-M
- Aceticacid, 2-(4-chloro-2-methylphenoxy)-
- Weedar MCPA
- Atlas MCPA
- Agritox 50
- M 40
- CHEBI:50099
- (4-Chloro-o-cresoxy)acetic acid
- 2-Methyl-4-chlorphenoxyessigsaeure [German]
- Acetic acid, 2-(4-chloro-2-methylphenoxy)-
- Kwas 4-chloro-2-metylofenoksyoctowy
- Dow MCP amine weed killer
- Kyselina 4-chlor-2-methylfenoxyoctova
- WLN: QV1OR DG B1
- Acetic acid, ((4-chloro-o-tolyl)oxy)-
- 2-(4-chloro-2-methyl-phenoxy)acetic acid
- Campbell's MCPA 25, 50
- MLS000054403
- CHEMBL394657
- Methyl chlorophenoxy acetic acid
- DTXSID4024195
- D888C394VO
- NSC-2351
- MCPA 10 microg/mL in Acetonitrile
- MCPA 100 microg/mL in Acetonitrile
- Acetic acid, [(4-chloro-o-tolyl)oxy]-
- SMR000066149
- Cornox
- MCPA 2000 microg/mL in Methyl tert-butyl ether
- DTXCID304195
- MCPA [BSI:ISO]
- (((4-chloro-O-tolyl)oxy)acetic) acid
- {[(4-chloro-O-tolyl)oxy]acetic} acid
- CAS-94-74-6
- Acetic acid, (((4-chloro-O-tolyl)oxy)-)
- Acetic acid, {[(4-chloro-O-tolyl)oxy]-}
- CCRIS 1022
- HSDB 1127
- (4-Chloro-2-methylphenoxy)aceticAcid-13C6
- NSC 2351
- 2-METHYL-4-CHLORPHENOXYESSIGSAEURE (GERMAN)
- EINECS 202-360-6
- MFCD00004306
- MCPA [ISO]
- EPA Pesticide Chemical Code 030501
- BRN 2051752
- CornoxM
- DicopurM
- UNII-D888C394VO
- Banlene Plus
- Basagran-M
- BSelektonon M
- Chwastox F
- CMP acetate
- MCPA [Chlorophenoxy herbicides]
- Kwas 4-chloro-2-metylofenoksyoctowy [Polish]
- MCP ester
- Kyselina 4-chlor-2-methylfenoxyoctova [Czech]
- MCPA Ester
- Power MCPA
- Agroxone 50
- MCPA (Standard)
- Star MCPA
- 2 Methyl 4 chlorophenoxyacetic Acid
- Agricorn 500
- Brominal m and plus
- Agricorn 500 II
- Farmon MCPA 50
- Chafer MCPA 675
- DICOPUR M
- HEDAPUR M
- FBC MCPA
- U 46 MFluid
- U 46 M Fluid
- 4Chlorootoloxyacetic acid
- 2M4Ch
- 2M4Kh
- Opera_ID_1492
- 4Chloroocresoxyacetic acid
- MCPA [HSDB]
- FLUID 4
- MCPA [MI]
- MSS MCPA 50
- Agrichem MCPA-25, 50
- BH MCPA 75
- 2,4MCPA
- MLS000881211
- SCHEMBL117877
- 2Methyl4chlorphenoxyessigsaeure
- Chloro-(O-cresoxy)acetic acid
- Chloro-(O-tolyloxy)acetic acid
- 2-methyl-4-chlorophenoxyacetate
- Kwas 4chloro2metylofenoksyoctowy
- Soviet technical herbicide 2M4C
- ((4Chlorootolyl)oxy)acetic acid
- HY-B0859R
- NSC2351
- Kyselina 4chlor2methylfenoxyoctova
- (4Chloro2methylphenoxy)acetic acid
- 2M-4C
- HMS2232I09
- HMS3372K10
- ALBB-032879
- CAA44806
- HY-B0859
- Tox21_202272
- Tox21_300746
- Acetic acid, (4-chloro-o-toloxy)-
- BBL002969
- BDBM50213927
- STK373011
- UN3345
- ((4-chloro-o-tolyl)oxy)acetic acid,
- AKOS000119470
- KS-5262
- Phenoxyacetic acid, 4-chloro-2-methyl
- (4-chloro-2-methylphenoxy)ethanoic acid
- NCGC00036782-02
- NCGC00036782-03
- NCGC00036782-04
- NCGC00036782-05
- NCGC00254652-01
- NCGC00259821-01
- (4-chloro-2-methyl-phenoxy)-acetic acid
- 2-Methyl-4-chlorophenoxymethylacetic acid
- BP-11952
- MCPA, PESTANAL(R), analytical standard
- DB-057526
- CS-0012872
- NS00000243
- EN300-16931
- C18528
- H10107
- AB00425449-11
- Q149413
- W-100186
- Z56824184
- 4-Chloro-2-methylphenoxyacetic acid, technical, >=95.0% (T)
Environmental transformation -> Pesticides (parent, predecessor)
Environmental transformation -> Pesticide transformation products (metabolite, successor)
141.0113 100
121.0294 5.48
105.0344 4.50
141.0084 999
34.9676 146
105.0307 60
MCPA has known environmental transformation products that include 2-methyl-4-chlorophenol and cloxyfonac.
MCPA is a known environmental transformation product of MCPA-thioethyl.
MCPA has known environmental transformation products that include cloxyfonac and 2-methyl-4-chlorophenol.
MCPA is a known environmental transformation product of MCPB.
Environmental transformation -> Pesticides (parent, predecessor)
Environmental transformation -> Pesticide transformation products (metabolite, successor)
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H312 (16.8%): Harmful in contact with skin [Warning Acute toxicity, dermal]
H315 (99.6%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (99.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H332 (16.8%): Harmful if inhaled [Warning Acute toxicity, inhalation]
H400 (98.2%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H410 (98.2%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P321, P330, P332+P317, P362+P364, P391, and P501
(The corresponding statement to each P-code can be found at the GHS Classification page.)
Aggregated GHS information provided per 226 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.
Acute Tox. 4 (100%)
Acute Tox. 4 (16.8%)
Skin Irrit. 2 (99.6%)
Eye Dam. 1 (99.6%)
Acute Tox. 4 (16.8%)
Aquatic Acute 1 (98.2%)
Aquatic Chronic 1 (98.2%)
Acute toxicity - category 4
Skin irritation - category 2
Eye damage - category 1
Hazardous to the aquatic environment (acute) - category 1
Hazardous to the aquatic environment (chronic) - category 1
IMAP assessments - Acetic acid, (4-chloro-2-methylphenoxy)-: Environment tier I assessment
IMAP assessments - Acetic acid, (4-chloro-2-methylphenoxy)-: Human health tier I assessment
Hepatic
Urinary
Hepatic
Urinary
Patents are available for this chemical structure:
https://patentscope.wipo.int/search/en/result.jsf?inchikey=WHKUVVPPKQRRBV-UHFFFAOYSA-N
- Australian Industrial Chemicals Introduction Scheme (AICIS)Acetic acid, (4-chloro-2-methylphenoxy)-https://services.industrialchemicals.gov.au/search-assessments/
- CAS Common ChemistryLICENSEThe data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated.https://creativecommons.org/licenses/by-nc/4.0/(4-Chloro-2-methylphenoxy)acetic acidhttps://commonchemistry.cas.org/detail?cas_rn=94-74-6
- ChemIDplusChemIDplus Chemical Information Classificationhttps://pubchem.ncbi.nlm.nih.gov/source/ChemIDplus
- DTP/NCILICENSEUnless otherwise indicated, all text within NCI products is free of copyright and may be reused without our permission. Credit the National Cancer Institute as the source.https://www.cancer.gov/policies/copyright-reuse
- EPA Chemicals under the TSCAAcetic acid, 2-(4-chloro-2-methylphenoxy)-https://www.epa.gov/chemicals-under-tscaEPA TSCA Classificationhttps://www.epa.gov/tsca-inventory
- EPA DSSTox2-(4-Chloro-2-methylphenoxy)acetic acidhttps://comptox.epa.gov/dashboard/DTXSID4024195CompTox Chemicals Dashboard Chemical Listshttps://comptox.epa.gov/dashboard/chemical-lists/
- EPA Integrated Risk Information System (IRIS)2-Methyl-4-chlorophenoxyacetic acid (MCPA)https://iris.epa.gov/ChemicalLanding/&substance_nmbr=66
- European Chemicals Agency (ECHA)LICENSEUse of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is acknowledged as the source: "Source: European Chemicals Agency, http://echa.europa.eu/". Such acknowledgement must be included in each copy of the material. ECHA permits and encourages organisations and individuals to create links to the ECHA website under the following cumulative conditions: Links can only be made to webpages that provide a link to the Legal Notice page.https://echa.europa.eu/web/guest/legal-notice(4-chloro-2-methylphenoxy)acetic acidhttps://echa.europa.eu/substance-information/-/substanceinfo/100.002.146(4-chloro-2-methylphenoxy)acetic acid (EC: 202-360-6)https://echa.europa.eu/information-on-chemicals/cl-inventory-database/-/discli/details/87086
- FDA Global Substance Registration System (GSRS)LICENSEUnless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.https://www.fda.gov/about-fda/about-website/website-policies#linking
- Hazardous Substances Data Bank (HSDB)2-METHYL-4-CHLOROPHENOXYACETIC ACIDhttps://pubchem.ncbi.nlm.nih.gov/source/hsdb/1127
- ILO-WHO International Chemical Safety Cards (ICSCs)
- New Zealand Environmental Protection Authority (EPA)LICENSEThis work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International licence.https://www.epa.govt.nz/about-this-site/general-copyright-statement/
- NJDOH RTK Hazardous Substance List4-chloro-2-methylphenoxyacetic acidhttp://nj.gov/health/eoh/rtkweb/documents/fs/3094.pdf
- Risk Assessment Information System (RAIS)LICENSEThis work has been sponsored by the U.S. Department of Energy (DOE), Office of Environmental Management, Oak Ridge Operations (ORO) Office through a joint collaboration between United Cleanup Oak Ridge LLC (UCOR), Oak Ridge National Laboratory (ORNL), and The University of Tennessee, Ecology and Evolutionary Biology, The Institute for Environmental Modeling (TIEM). All rights reserved.https://rais.ornl.gov/
- ChEBI(4-chloro-2-methylphenoxy)acetic acidhttps://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:50099
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- EPA Pesticide Ecotoxicity Database
- EU Pesticides Database
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- EPA Regional Screening Levels for Chemical Contaminants at Superfund Sites
- USDA Pesticide Data Program
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- Hazardous Chemical Information System (HCIS), Safe Work Australia
- NITE-CMC(4-chloro-2-methylphenoxy)acetic acid - FY2006 (New/original classication)https://www.chem-info.nite.go.jp/chem/english/ghs/06-imcg-0381e.html(4-Chloro-2-methylphenoxy)acetic acid - FY2021 (Revised classification)https://www.chem-info.nite.go.jp/chem/english/ghs/21-mhlw-2097e.html(4-Chloro-2-methylphenoxy)acetic acid - FY2018 (Revised classification)https://www.chem-info.nite.go.jp/chem/english/ghs/18-moe-2013e.html
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- IUPAC Digitized pKa Datasetacetic acid, 2-(4-chloro-2-methylphenoxy)-https://github.com/IUPAC/Dissociation-Constants
- NMRShiftDB
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- SpectraBase[(4-CHLORO-o-TOLYL)OXY]ACETIC ACIDhttps://spectrabase.com/spectrum/CYUGaxTk4UC(4-chloro-o-tolyloxy)acetic acidhttps://spectrabase.com/spectrum/6QRQsw5BFLQ[(4-CHLORO-o-TOLYL)OXY]ACETIC ACIDhttps://spectrabase.com/spectrum/5TeUuqqahHk[(4-CHLORO-o-TOLYL)OXY]ACETIC ACIDhttps://spectrabase.com/spectrum/KA9UOJ0ZAzYMCPA PESTANALhttps://spectrabase.com/spectrum/IpWecnxyf6SACETIC ACID, /4-CHLORO-O- TOLYLOXY/-,https://spectrabase.com/spectrum/JPvWgkTAcvu4-Chloro-2-methylphenoxyacetic acidhttps://spectrabase.com/spectrum/DSiyZ7IcnWm
- Japan Chemical Substance Dictionary (Nikkaji)
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- MassBank Europe(4-Chloro-2-methylphenoxy)acetic acidhttps://massbank.eu/MassBank/Result.jsp?inchikey=WHKUVVPPKQRRBV-UHFFFAOYSA-N
- MassBank of North America (MoNA)LICENSEThe content of the MoNA database is licensed under CC BY 4.0.https://mona.fiehnlab.ucdavis.edu/documentation/license
- Metabolomics Workbench(4-chloro-2-methylphenoxy)acetic acidhttps://www.metabolomicsworkbench.org/data/StructureData.php?RegNo=57329
- NIST Mass Spectrometry Data CenterLICENSEData covered by the Standard Reference Data Act of 1968 as amended.https://www.nist.gov/srd/public-law[(4-Chloro-o-tolyl)oxy]acetic acidhttp://www.nist.gov/srd/nist1a.cfm
- Springer Nature
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- Medical Subject Headings (MeSH)LICENSEWorks produced by the U.S. government are not subject to copyright protection in the United States. Any such works found on National Library of Medicine (NLM) Web sites may be freely used or reproduced without permission in the U.S.https://www.nlm.nih.gov/copyright.html2-Methyl-4-chlorophenoxyacetic Acidhttps://www.ncbi.nlm.nih.gov/mesh/68008456
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