Dichloracetic acid (Ref: DCA) |

Last updated: 28/02/2025
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(Also known as: dichloroethanoic acid) |
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.
Environmental fate |
Ecotoxicity |
Human health |
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Chemical transformation product |
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Not applicable |
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Not applicable |
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Not applicable |
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Not applicable |
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Not applicable |
EC Regulation 1107/2009 (repealing 91/414) |
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Not applicable |
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Not applicable |
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Not applicable |
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Not applicable |
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No |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
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ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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- |
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CHCl₂COOH |
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C(C(=O)O)(Cl)Cl |
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No data |
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JXTHNDFMNIQAHM-UHFFFAOYSA-N |
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InChI=1S/C2H2Cl2O2/c3-1(4)2(5)6/h1H,(H,5,6) |
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Yes |
Cambridge Crystallographic Data Centre diagrams |
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Common Name |
Relationship |
Link |
dichloracetic acid |
- |
 |
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Metabolite |
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Soil |
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Unclassified substance |
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- |
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- |
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Synthetic |
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Not applicable |
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79-43-6 |
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- |
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- |
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Not applicable |
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- |
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128.94 |
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- |
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dichloroacetic acid |
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dichloroacetic acid |
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- |
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- |
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Not applicable |
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Not applicable |
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Not applicable |
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Not applicable |
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- |
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Colourless liquid |
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- |
- |
- |
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- |
- |
- |
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13.5 |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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9.77 X 1000 |
Calculated |
- |
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0.99 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source |
Low |
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- |
- |
- |
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- |
- |
- |
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1.57 |
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- |
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1.25 |
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- |
Strong acid |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. |
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- |
Soil adsorption and mobility |
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1 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source |
Very mobile |
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1 |
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Estimated |
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- |
- |
- |
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- |
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- |
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- |
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- |
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- |
- |
- |
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Cannot be calculated |
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- |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
None
Terrestrial ecotoxicology |
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650 |
Rat |
Moderate |
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- |
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- |
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- |
- |
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- |
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- |
- |
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- |
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- |
- |
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- |
- |
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- |
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- |
- |
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- |
- |
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- |
- |
- |
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- |
- |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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10 |
Myriophyllum spicatum NOEC |
Moderate |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
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HUMAN HEALTH AND PROTECTION |
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High (class III) |
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- |
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650 |
Rat |
Moderate |
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- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
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- |
- |
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- |
- |
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- |
- |
- |
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- |
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- |
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EU MRL pesticide database |
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- |
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Non-statutory WHO drinking water guideline 0.05 mg l⁻¹ |
UK EA QS database 2018 |
- |
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- |
- |
- |
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- |
- |
- |
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Carcinogen |
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Endocrine disruptor |
?Possibly, status not identified |
A0 A = Chromosome aberration (EFSA database) 0 = No data ; B0 B = DNA damage/repair (EFSA database) 0 = No data ; C0 C = Gene mutation (EFSA database) 0 = No data ; D0 D = Genome mutation (EFSA database) 0 = No data ; E0 E = Unspecified genotoxicity type (miscellaneous data source) 0 = No data |
No data found |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
No data found |
No data found |
No data found |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
✓Yes, known to cause a problem |
✓Yes, known to cause a problem |
No data found |
Eye irritant |
Phototoxicant |
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✓Yes, known to cause a problem |
No data found |
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IARC Group 3 carcinogen - not classifiable; US NTP - suspected carcinogen |
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No information available |
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Health: H314 Environment: H400 |
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II (Moderately hazardous) |
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- |
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- |
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- |
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dichloracetic acid |
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- |
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- |
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- |
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- |
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- |
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kwas dichlorooctowy |
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- |
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Record last updated: |
28/02/2025 |
Contact: |
aeru@herts.ac.uk |
Please cite as: |
Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |