Edifenphos (Ref: BAY 78418) |
![]() Last updated: 18/01/2021 |
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(Also known as: EDDP; edifenfos) |
SUMMARY |
Edifenphos is an organochlorine rice fungicide that is not approved for use in the EU. It is moderately soluble in water and is volatile. Based on its chemical properties it is not expected to leach to groundwater. It is not usually persistent in either soil or water systems. Edifenphos is moderately toxic to mammals it is also a neurotoxin and an acetyl cholinesterase inhibitor. It is moderately toxic to fish and poses more of a risk to aquatic invertebrates. |
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A foliar contact fungicide used to control a variety of common diseases on rice | |
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Rice blast; Ear blight; Stem rot | |
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Rice | |
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Unknown | |
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1966 |
UK regulatory status |
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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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Also used in |
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Chemical structure |
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C₁₄H₁₅O₂PS₂ | |
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CCOP(=O)(SC1=CC=CC=C1)SC2=CC=CC=C2 | |
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No data | |
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AWZOLILCOUMRDG-UHFFFAOYSA-N | |
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InChI=1S/C14H15O2PS2/c1-2-16-17(15,18-13-9-5-3-6-10-13)19-14-11-7-4-8-12-14/h3-12H,2H2,1H3 | |
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Yes |
General status |
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Fungicide | |
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Organophosphate | |
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Synthetic | |
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Phospholipid biosynthesis inhibition, foliar applied with protective and curative action | |
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17109-49-8 | |
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241-178-1 | |
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409 | |
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434300 | |
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28292 | |
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310.37 | |
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O-ethyl S,S-diphenyl phosphorodithioate | |
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O-ethyl S,S-diphenyl phosphorodithioate | |
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O-ethyl S,S-diphenyl phosphorodithioate | |
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Marine Pollutant | |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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6 | |
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Yellow-brown liquid |
Formulations |
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Usually supplied as an emulsifiable concentrate or dustable powder. |
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56 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | ||||||||
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35000 | L2 L = Pesticide manuals and hard copy reference books / other sources n-Hexane2 = Unverified data of unknown source |
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200000 | L3 L = Pesticide manuals and hard copy reference books / other sources Dichloromethane3 = Unverified data of known source |
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200000 | L3 L = Pesticide manuals and hard copy reference books / other sources Isopropanol3 = Unverified data of known source |
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200000 | L3 L = Pesticide manuals and hard copy reference books / other sources Toluene3 = Unverified data of known source |
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-25 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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154 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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115 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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6.76 X 1003 | Calculated | - | |||||||
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3.83 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High | ||||||||
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1.25 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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0.032 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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0.0002 | 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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21 | L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source |
Non-persistent | |||||||
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General literature values range from a few days to a few weeks | ||||||||||
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5.0 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Rice leaves, n=1 | ||||||||||
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- | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Degrades in UV light | ||||||||||
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19 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-persistent | |||||||
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DT₅₀ 2 days at pH 9, 25 °C | ||||||||||
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Soil adsorption and mobility |
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- | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Slightly mobile | |||||||
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1863 | ||||||||||
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Esimated | ||||||||||
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Fate indices |
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0.96 | Calculated | Low leachability | ||||||||||||||||||||||||||
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1.76 X 10-02 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Slightly mobile | Calculated | - |
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150 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
Moderate | ||||||||
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- | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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5.0 | - | |||||||||
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290 | L3 L = Pesticide manuals and hard copy reference books / other sources Colinus virginianus3 = Unverified data of known source |
Moderate | ||||||||
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0.43 | L3 L = Pesticide manuals and hard copy reference books / other sources Oncorhynchus mykiss3 = Unverified data of known source |
Moderate | ||||||||
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0.000032 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
High | ||||||||
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General |
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High (class III) | - | - | ||||||||
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150 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
Moderate | ||||||||
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700 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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0.32 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat (aerosol)3 = Unverified data of known source |
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0.003 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) JMPR 19813 = Unverified data of known source |
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List I; List II | - | - | ||||||||
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Health issues |
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Harmful if swallowed or inhaled |
Handling issues |
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No information available | |||
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Health: H301, H312, H317, H331 Environment: H400, H410 |
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T - Toxic: R23, R25 Xn - Harmful: R21, R43, N - Dangerous for the environment: R50, R53 |
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S1/2, S36/37, S45, S60, S61 | |||
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Ib (Highly hazardous / Highly hazardous) | |||
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3018 | |||
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edifenphos | ||
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edifenphos | ||
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Edifenphos | ||
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edifenfos | ||
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edifenfos | ||
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Record last updated: | 18/01/2021 |
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 |