Sodium arsenite |
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Last updated: 28/08/2024
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(Also known as: sodium metaarsenite; arsenenous acid, sodium salt; meta-arsenite) |
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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A highly toxic pesticide that, historically, had multi-uses in pest management. |
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Difficult woody weeds; Brush; Aquatic weed control including water hyacynth |
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Sugarbeet; Cereals; Non-cropped land; Water courses |
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- |
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Current |
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- |
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Not approved |
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Not applicable |
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No UK approval for use as a pesticide |
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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- |
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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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None |
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NaAsO₂ |
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[O-][As]=O.[Na+] |
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- |
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PTLRDCMBXHILCL-UHFFFAOYSA-M |
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InChI=1S/AsHO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1 |
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Yes |
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Herbicide, Insectiicde, Rodenticide, Fungicide |
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Inorganic compound |
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- |
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- |
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Synthetic |
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Acts via enzyme inhibition |
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7784-46-5 |
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232-070-5 |
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- |
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013603 |
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443495 |
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No data found |
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129.91 |
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sodium arsenite |
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sodium arsenite |
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sodium arsenenite |
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Heavy metal; PAN Bad Actor Chemical |
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- |
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None allocated |
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None allocated |
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Not known |
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NC |
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- |
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Grey-white powdery solid |
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156000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
High |
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- |
- |
- |
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615 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
- |
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Decomposes before voiling |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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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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1.87 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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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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- |
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Cannot be calculated |
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None
Terrestrial ecotoxicology |
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10 |
Rat |
High |
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> 15.3 |
Lepomis macrochirus |
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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> 60.0 |
Chironomus zealandicus |
Moderate |
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- |
- |
- |
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- |
- |
- |
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> 1.99 |
Lemna gibba |
Moderate |
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> 29.9 |
Selenastrum capricornutum |
Low |
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HUMAN HEALTH AND PROTECTION |
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High (class III) |
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10 |
Rat |
High |
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150 |
Rat |
- |
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- |
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Intraperitoneal LD₅₀ = 1.17 mg kg⁻¹ |
Mouse |
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Intravenous LD₅₀ = 7.6 mg kg⁻¹ |
Rabbit |
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EU MRL pesticide database |
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Carcinogen |
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Endocrine disruptor |
✓Yes, known to cause a problem |
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 ; E1 E = Unspecified genotoxicity type (miscellaneous data source) 1 = Positive |
?Possibly, status not identified |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
✓Yes, known to cause a problem |
XNo, known not to cause a problem |
✓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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IARC Group 1 carcinogen; CLP data - known human carcinogen Probable blood, kidney, lung, thorax, respiratory system toxicant Highly toxic via all exposure routes May cause skin hyperpibmentation and/or dermatitis |
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Incompatible with strong acids Hygroscopic IMDG Transport Hazard Class 6.1 |
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Health: H301, H311, H331, H350 Environment: H400, H410 |
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Ib (Highly hazardous) |
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UN2027 |
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Packaging Group II (moderate danger) |
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sodium arsenite |
|
arsénite de sodium |
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Record last updated: |
28/08/2024 |
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 |