Sodium chlorate |
Last updated: 24/10/2024 |
(Also known as: soda chlorate) |
SUMMARY |
Data alerts |
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 non-selective herbicide for use mainly in non-cropping areas and for total vegetation clearance | |
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Total vegetation including Morning glory, Johnsongrass, St Johnswort, Canada thistle | |
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Non-cropped areas includings roadsides, fenceways, ditches, etc; Defoliant & dessicant for cotton, corn, flax, soybeans, sorghum, peas & beans, rice | |
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- | |
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Current | |
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circa 1910, introduced |
UK regulatory status |
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Not approved | ||
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Expired | ||
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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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France | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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No | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Additional information |
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USA |
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Chemical structure |
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None | |
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ClNaO₃ | |
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[O-]Cl(=O)=O.[Na+] | |
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No data | |
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YZHUMGUJCQRKBT-UHFFFAOYSA-M | |
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InChI=1S/ClHO3.Na/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1 | |
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Yes |
General status |
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Herbicide, Soil sterilant, Other substance | |
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Biocide, Disinfectant, Algicide, Preservative, Slimicide | |
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Inorganic compound | |
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970-985 g kg⁻¹ | |
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EU dossier - None declared | |
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Synthetic | |
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Broad spectrum, systemic which translocates to all parts of the weed. Phytoxic to all plants. | |
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7775-09-9 | |
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231-887-4 | |
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7 | |
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073301 | |
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516902 | |
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017-005-00-9 | |
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106.44 | |
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- | |
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sodium chlorate | |
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chloric acid sodium salt | |
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- | |
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- | |
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None allocated | |
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None allocated | |
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Not applicable | |
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Not applicable | |
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- | |
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White powder |
Formulations |
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Often supplied as dusts, granules or pre-mixed spray |
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650000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
High | ||||||||
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Insoluble | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Most organic solvents5 = Verified data used for regulatory purposes |
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255 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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Decomposes before boiling | A4 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 4 = Verified data |
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260 | A3 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 3 = Unverified data of known source |
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1.26 X 10-03 | Calculated | - | |||||||
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-2.9 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Low | ||||||||
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2.499 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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-2 | A4 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 4 = Verified data |
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Very strong acid | |||||||||||
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5.2 X 10-06 | A2 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 2 = Unverified data of unknown source |
Low volatility | ||||||||
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5.2 X 10-09 | A3 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 3 = Unverified data of known source |
Non-volatile | ||||||||
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72.9 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) at 20°C 99.4%5 = Verified data used for regulatory purposes |
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Degradation |
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200 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents / FAO data, IPCS INCHEM data (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
Persistent | |||||||
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143.3 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Persistent | ||||||||
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EU dossier lab studies DT₅₀ range 46.7-314.6 days | ||||||||||
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Stable | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Stable | |||||||
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Stable | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Stable | |||||||
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Not senstive to pH | ||||||||||
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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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- | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents / FAO data, IPCS INCHEM data (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
Very mobile | |||||||
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10 | ||||||||||
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Fate indices |
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6.47 | Calculated | High leachability | ||||||||||||||||||||||||||
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2.50 X 1001 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Very mobile | Calculated | - | ||||||||||||||||||||||||||
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Low risk | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Based on LogP < 35 = Verified data used for regulatory purposes |
Low risk | |||||||||||||||||||||||||
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Known metabolites |
None
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Terrestrial ecotoxicology |
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> 5000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat5 = Verified data used for regulatory purposes |
Low | ||||||||
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2510 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Anas platyrhynchos5 = Verified data used for regulatory purposes |
Low | ||||||||
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> 750 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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Nitrogen mineralisation: -47% effect Carbon mineralisation: -10.4% effect |
A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes Dose: 1.67 g kg⁻¹ soil 100 Day |
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386.7 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) cucmis sativus5 = Verified data used for regulatory purposes Vegetative vigour, ER₅₀ as kg ha⁻¹ |
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> 116 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Apis mellifera5 = Verified data used for regulatory purposes |
Low | |||||||
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> 75 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Apis mellifera5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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250600 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Aphidius rhopalosiphi5 = Verified data used for regulatory purposes |
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84400 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Typhlodromus pyri5 = Verified data used for regulatory purposes |
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Aquatic ecotoxicology |
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10000 | G2 G = Extension Toxicology network database EXTOXNET. Available online but no longer updated. (click here ) Unknown species2 = Unverified data of unknown source |
Low | ||||||||
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500 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Danio rerio5 = Verified data used for regulatory purposes |
Low | ||||||||
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919.3 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Daphnia magna5 = Verified data used for regulatory purposes |
Low | ||||||||
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500 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Daphnia magna5 = Verified data used for regulatory purposes |
Low | ||||||||
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134 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Lemna minor5 = Verified data used for regulatory purposes |
Low | ||||||||
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1595 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Scenedesmus subspicatus5 = Verified data used for regulatory purposes |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 5000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat5 = Verified data used for regulatory purposes |
Low | ||||||||
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2000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat5 = Verified data used for regulatory purposes |
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> 3.9 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat5 = Verified data used for regulatory purposes |
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None allocated | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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None allocated | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) 5 = Verified data used for regulatory purposes |
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0.35 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Rat SF=2005 = Verified data used for regulatory purposes |
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Negligible risk for bystanders | |||||||||
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PPE/PPC required for operators Negligible risk to other farm workers |
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Health issues |
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Possible blood and kidney toxicant Ingestion causes stomach upset, dizziness, breathlessness, blue discolouration of the skin, heart problems and coma |
Handling issues |
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Oxidising agent Explosive under certain conditions IMDG Transport Hazard Class 5.1 Not expected to auto-ignite; Not highly flammable |
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Health: H302 Handling: H271 Environment: H411 |
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II (Moderately hazardous) | |||
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UN1495 | |||
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Packaging Group II (moderate danger) | |||
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sodium chlorate | ||
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chlorate de sodium | ||
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Natriumchlorat | ||
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clorato de sodio | ||
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chloran (V) sodu | ||
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natrium chloraat | ||
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Record last updated: | 24/10/2024 |
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 |