Diofenolan (Ref: CGA 059205) |
![]() Last updated: 16/01/2021 |
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(Not known by any other names) |
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Substance used for the control of scale insects and other insect pests | |
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Scale insects including San José scale, red coconut scale; Citrus butterfly; Whiteflies | |
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Fruit including grapes, olives, citrus, peach; Nuts; Ornamentals | |
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Unknown | |
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1994, first reported |
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 applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not aplicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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Diofenolan is a molecule with two chiral centres. TThe technical material is an reaction mixture of various isomers. | |
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C₁₈H₂₀O₄ | |
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CCC1OCC(O1)COC2=CC=C(C=C2)OC3=CC=CC=C3 | |
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No data | |
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ZDOOQPFIGYHZFV-UHFFFAOYSA-N | |
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InChI=1S/C18H20O4/c1-2-18-20-13-17(22-18)12-19-14-8-10-16(11-9-14)21-15-6-4-3-5-7-15/h3-11,17-18H,2,12-13H2,1H3/t17-,18+/m1/s1 | |
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Yes |
General status |
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Insecticide, Insect Growth Regulator | |
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Diphenyl ether | |
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Synthetic | |
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Insect growth retardant, moulting inhibitor with juvenile hormone activity | |
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63837-33-2 | |
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007703 | |
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4578030 | |
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300.35 | |
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Mix of: rac-(2R,4S)-2-ethyl-4-[(4-phenoxyphenoxy)methyl]-1,3-dioxolane (50%–80%) and rac-(2R,4R)-2-ethyl-4-[(4-phenoxyphenoxy)methyl]-1,3-dioxolane (50%–20%) | |
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Mix of: (2RS,4SR)-4-(2-ethyl-1,3-dioxolan-4-ylmethoxy)phenyl phenyl ether (50%–80%) and (2RS,4RS)-4-(2-ethyl-1,3-dioxolan-4-ylmethoxy)phenyl phenyl ether (50%–20%) | |
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2-ethyl-4-[(4-phenoxyphenoxy)methyl]-1,3-dioxolane | |
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Not applicable | |
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Not applicable | |
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Not known | |
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Not applicable | |
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Pale yellow viscous liquid |
Formulations |
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Usually supplied as an emulsifiable concentrate |
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4.9 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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Miscible | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) n-Hexane3 = Unverified data of known source |
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Miscible | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Toluene3 = Unverified data of known source |
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Miscible | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Methanol3 = Unverified data of known source |
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25 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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250 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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2.24 X 1004 | Calculated | - | |||||||
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4.35 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
High | ||||||||
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1.141 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Not applicable | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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No dissociation | |||||||||||
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0.011 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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6.74 X 10-03 | 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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3.0 | E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
Non-persistent | |||||||
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General literature states 2 to 10 days | ||||||||||
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Soil adsorption and mobility |
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Fate indices |
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Cannot be calculated | - | - | |||||||||||||||||||||||||
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> 2000 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Low | ||||||||
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> 2000 | E3 E = Manufacturers safety data sheets Anas platyrhynchos3 = Unverified data of known source |
Low | ||||||||
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> 1000 | E3 E = Manufacturers safety data sheets Oncorhynchus mykiss3 = Unverified data of known source |
Low | ||||||||
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0.5 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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> 96.0 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | |||||||
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> 96 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | ||||||||
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204 | E3 E = Manufacturers safety data sheets Eisenia foetida3 = Unverified data of known source |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 2000 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Low | ||||||||
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2000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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Health issues |
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No further information available |
Handling issues |
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No information available | |||
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III (Slightly hazardous) | |||
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diofenolan | ||
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diofenolane | ||
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Record last updated: | 16/01/2021 |
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 |