Acifluorfen-sodium (Ref: RH-6201 ) |
![]() Last updated: 16/12/2020 |
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(Also known as: acifluorfene) |
SUMMARY |
Acifluorfen-sodium is a herbicide that is currently not approved for EU use. It is highly soluble in water and in many organic solvents. It is volatile. It may leach to groundwater under certain conditions. It is moderately persistence in soil systems and can be very persistent in aquatic systems. It has a moderate mammalian toxicity and there is some concern regarding its potential for bioaccumulation. It is a recognised irritant. Acifluorfen-sodium is moderately toxic to birds, honeybees and most aquatic organisms. It is relatively non-toxic to earthworms. |
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A nitrophenyl ether herbicide used for the pre-emergence control of annual broad-leaved weeds | |
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Buckwheat; Carpetweed; Cocklebur; Lady's thumb; Morning glory; Moonflower; Nighshade; Pigweed; Waterhelp; Foxtails | |
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Soybeans; Peanuts; Beans and peas: Rice | |
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- | |
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Current | |
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1980, USA |
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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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes as the acid | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Australia, USA |
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Chemical structure |
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None | |
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C₁₄H₆ClF₃NNaO₅ | |
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C1=CC(=C(C=C1C(F)(F)F)Cl)OC2=CC(=C(C=C2)[N+](=O)[O-])C(=O)[O-].[Na+] | |
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No data | |
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RVULBHWZFCBODE-UHFFFAOYSA-M | |
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InChI=1S/C14H7ClF3NO5.Na/c15-10-5-7(14(16,17)18)1-4-12(10)24-8-2-3-11(19(22)23)9(6-8)13(20)21;/h1-6H,(H,20,21);/q;+1/p-1 | |
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Yes |
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Common Name | Relationship | Link |
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acifluorfen | Parent | ![]() |
General status |
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Herbicide | |
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Diphenyl ether | |
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Synthetic | |
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Selective contact action being absorbed by foliage and roots. Cell membrane disruption - PPO inhibitor. | |
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62476-59-9 | |
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263-560-7 | |
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497 | |
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114402 | |
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44072 | |
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383.6 | |
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sodium 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate | |
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sodium 5-(2-chloro-α,α,α-trifluoro-p-tolyloxy)-2-nitrobenzoate | |
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sodium 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate | |
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Chemical subject to PIC regulations | |
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- | |
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E | |
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14 | |
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Not applicable | |
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Not applicable | |
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Amaranthus rudis, Euphorbia heterophylla | |
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Creamy-white to brown solid | |
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Formulations |
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Usually supplied as a soluble concentrate but also available as ready-to-use formulations. Often used in conjunction with an adjuvant. |
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620700 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High | ||||||||
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53700 | L3 L = Pesticide manuals and hard copy reference books / other sources Octanol3 = Unverified data of known source |
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641500 | L3 L = Pesticide manuals and hard copy reference books / other sources Methanol3 = Unverified data of known source |
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0.5 | L3 L = Pesticide manuals and hard copy reference books / other sources Hexane3 = Unverified data of known source |
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276 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Decomposes before boiling | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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274 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Not expected to self ignite; Not highly flammable | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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1.58 X 1001 | Calculated | - | |||||||
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1.2 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low | ||||||||
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1.55 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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3.86 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Weak acid | |||||||||||
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0.01 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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6.18 X 10-09 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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59 | M3 M = GLEAMS Model database (Groundwater Loading Effects of Agricultural Management Systems) (click here ) 3 = Unverified data of known source |
Moderately persistent | |||||||
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154 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Persistent | ||||||||
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Literature data DT₅₀ range 108 days (silt) - 200 days (clay loam); Other sources: DT₅₀ 14.0 days (DW3) | ||||||||||
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Stable | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Stable | |||||||
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Stable for more than 2 yrs in water | ||||||||||
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Stable | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Stable | |||||||
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Stable for more than 2 yrs in water | ||||||||||
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Soil adsorption and mobility |
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5.22 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Moderately mobile | |||||||
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364 | ||||||||||
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0.92 | ||||||||||
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Mean of several mineral soils; Literature range 44-684 mL kg⁻¹ | ||||||||||
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Fate indices |
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3.15 | Calculated | High leachability | ||||||||||||||||||||||||||
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4.07 X 10-01 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Moderately mobile | Calculated | - |
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279 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
Threshold for concern | |||||||
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Not available | - | |||||||||
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1540 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Moderate | ||||||||
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325 | L3 L = Pesticide manuals and hard copy reference books / other sources Colinus virginianus3 = Unverified data of known source |
Moderate | ||||||||
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17 | L3 L = Pesticide manuals and hard copy reference books / other sources Oncorhynchus mykiss3 = Unverified data of known source |
Moderate | ||||||||
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< 1.5 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Pimephales promelas 35 day3 = Unverified data of known source |
Moderate | ||||||||
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77 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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2.8 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Americamysis bahia3 = Unverified data of known source |
Moderate | ||||||||
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260 | L3 L = Pesticide manuals and hard copy reference books / other sources Raphidocelis subcapitata3 = Unverified data of known source |
Low | ||||||||
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100 | C4 C = AGRITOX (click here ) 4 = Verified data |
Moderate | |||||||
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1800 | L3 L = Pesticide manuals and hard copy reference books / other sources Eisenia foetida3 = Unverified data of known source |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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1540 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Moderate | ||||||||
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2000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rabbit3 = Unverified data of known source |
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6.91 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat 4 hr3 = Unverified data of known source |
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0.01 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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List II | - | - | ||||||||
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Low risk to Europeans as no longer approved for use | |||||||||
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Occupational exposure may occur through inhalation and dermal contact | ||||||||||
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Health issues |
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May causes irreversible eye damage Liver toxicant USEPA - possible human carcinogen at high doses |
Handling issues |
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Corrosive | |||
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Health: H302, H315, H318 Environment: H400, H410 |
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Xn - Harmful: R22, R41 Xi - Irritant: R38 N - Dangerous for the environment: R50, R53 |
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S2, S24, S61, S39, S60 | |||
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III (Slightly hazardous) | |||
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acifluorfen-sodium | ||
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acifluorfene sodium | ||
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Acifluorfen | ||
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acifluorfen | ||
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acifluorfen | ||
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acifluorfen sodico | ||
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acifluorfen sodowy | ||
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Record last updated: | 16/12/2020 |
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 |