Mercurous chloride |
Last updated: 23/05/2024
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(Also known as: calomel) |
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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Used as a soil treatment for the control of various fungal diseases on brassicas and other crops |
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Fusarium; Plasmodiophora brassicae; Delia spp.; Sclerotium cepivorum |
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Onions; Turf; Brassicas |
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- |
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- |
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Considered obsolete but may be available in some countries |
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1929, insecticidal properties first described |
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Not approved |
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Not applicable |
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved |
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Not applicable |
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Not applicable |
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Not applicable |
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Yes |
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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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ISIceland |
NONorway |
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None |
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Hg₂Cl₂ |
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Cl2Hg2 |
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No data |
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ZOMNIUBKTOKEHS-UHFFFAOYSA-L |
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InChI=1S/2ClH.2Hg/h2*1H;;/q;;2*+1/p-2 |
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Yes |
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Fungicide, Insecticide, Other substance |
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Biocide |
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Inorganic compound |
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- |
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- |
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Natural |
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Broad spectrum, strong toxin to most living organism |
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Occurs in nature as in nature as horn quicksilver |
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Often produced by the action of chlorine on mercury or on mercury (I) chloride |
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Crop protection |
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Fusarium; Plasmodiophora brassicae; Delia spp.; Sclerotium cepivorum |
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Onions; Turf; Brassicas |
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- |
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10112-91-1 |
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7546-30-7 |
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233-307-5 |
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None allocated |
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- |
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24956 |
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080-003-00-1 |
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472.09 |
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dimercury(I) chloride |
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mercury(I) chloride |
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mercury(I) chloride |
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mercury chloride |
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Phytotoxic to many plants; Banned in many countries; Chemical subject to GB PIC regulations |
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Not applicable |
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Not applicable |
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Not known |
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NC |
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White powder |
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Usually formulated as dusts or wettable powders |
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2.0 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low |
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400 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Sublimes |
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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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None
Terrestrial ecotoxicology |
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210 |
Rat |
Moderate |
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HUMAN HEALTH AND PROTECTION |
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High (class III) |
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210 |
Rat |
Moderate |
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1500 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
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Intraperitoneal LD₅₀ = 10 mg kg⁻¹ |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Mouse |
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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 |
✓Yes, known to cause a problem |
No data found |
✓Yes, known to cause a problem |
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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CLP data - suspected carcinogen |
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No information available |
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Health: H351 |
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II (Moderately hazardous) |
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mercurous chloride |
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chlorure mercureux |
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Record last updated: |
23/05/2024 |
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 |