Uniconazole (Ref: XE 1019) |
![]() Last updated: 29/06/2019 |
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(Also known as: S-uniconazole; lomica; S 3307D) |
SUMMARY |
Uniconazole is a plant growth regulator without EU regulatory approval for use. It has a low water solubility, is quite volatile and there is also a slight risk of leaching to groundwater. It can be persistent in both soil and aquatic systems. It is moderately toxic to mammals but would not be expected to bioaccumulate. It shows a moderate level of toxicity to most aquatic species honey bees, earthworms and birds. |
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A plant growth regulator used to reduce vegetative growth and increase flowering | |
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Growth | |
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Bedding plants including calibrachoa, celosia, petunia, salvia, scaevola, dahlia, marigold, verbena, viola; Woody landscape ornamentals; Tomatoes; Peppers; Cucumbers; Avocado | |
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Current | |
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1985 |
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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USA |
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Chemical structure |
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Exists as optical isomers. Uniconazole-P is the most biologically active isomer. | |
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C₁₅H₁₈ClN₃O | |
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CC(C)(C)C(C(=CC1=CC=C(C=C1)Cl)N2C=NC=N2)O | |
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CC(C)(C)C(/C(=C\C1=CC=C(C=C1)Cl)/N2C=NC=N2)O | |
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YNWVFADWVLCOPU-MDWZMJQESA-N | |
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InChI=1S/C15H18ClN3O/c1-15(2,3)14(20)13(19-10-17-9-18-19)8-11-4-6-12(16)7-5-11/h4-10,14,20H,1-3H3/b13-8+/t14-/m1/s1 | |
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Yes |
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Common Name | Relationship | Link |
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(R)-uniconazole | R-isomer | ![]() |
General status |
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Plant growth regulator | |
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Triazole | |
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Synthetic | |
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Inhibits gibberellin biosynthesis | |
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83657-17-4 | |
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None allocated | |
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128976 | |
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6436604 | |
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291.78 | |
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rac-(1E,3R)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pent-1-en-3-ol | |
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(E)-(RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pent-1-en-3-ol | |
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(βE)-β-((4-chlorophenyl)methylene)-α-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol | |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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Not known | |
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Off-white crystalline solid |
Formulations |
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Usually supplied as a suspension concentrate for use as a foliar spray, drench or bulb dip |
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8.41 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low | ||||||||
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88000 | L2 L = Pesticide manuals and hard copy reference books / other sources Methanol mg kg⁻¹2 = Unverified data of unknown source |
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300 | L2 L = Pesticide manuals and hard copy reference books / other sources Hexane mg kg⁻¹2 = Unverified data of unknown source |
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7000 | L2 L = Pesticide manuals and hard copy reference books / other sources Xylene mg kg⁻¹2 = Unverified data of unknown source |
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155.5 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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475 | E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
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6.92 X 1003 | Calculated | - | |||||||
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3.84 | K3 K = Research datasets, e.g. Pandora, Demetra 3 = Unverified data of known source |
High | ||||||||
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1.18 | E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
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13.07 | E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
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8.9 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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100 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Persistent | |||||||
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100 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Persistent | ||||||||
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435 | 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 |
Very persistent | ||||||||
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Best available data | ||||||||||
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4.1 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Wheat, whole plant, n=1 | ||||||||||
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30 | 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 |
Stable | |||||||
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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 (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
Slightly mobile | |||||||
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670 | ||||||||||
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Koc range 250 (sandy loam) to 1100 (loam) mL g⁻¹, Soils=11 | ||||||||||
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Fate indices |
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3.10 | Calculated | High leachability | ||||||||||||||||||||||||||
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3.89 X 10-01 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Slightly mobile | Calculated | - |
Other known metabolites |
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z-1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1-penten-3-one | - | Soil (Aerobic) | - | - | |||||
1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)-1,2-epoxypentan-3-ol | - | Soil (Aerobic) | - | - |
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430 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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2.25 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat3 = Unverified data of known source |
High | |||||||
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> 1155 | F5 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Colinus virginianus5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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14.8 | F5 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Oncorhynchus mykiss5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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10 | F5 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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> 20 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Apis mellifera3 = Unverified data of known source |
Moderate | |||||||
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1000 | 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 |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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430 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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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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2.75 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat 4 hr3 = Unverified data of known source |
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0.02 | 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 |
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Health issues |
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Slightly toxic if ingested USEPA - possible human carcinogen |
Handling issues |
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No information available | |||
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Health: H302 | |||
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N - Dangerous for the environment: R52/53 | |||
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S23, S25 | |||
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II (Moderately hazardous) | |||
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Not regulated | |||
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uniconazole | ||
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uniconazole | ||
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Uniconazol | ||
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uniconazol | ||
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uniconazolo | ||
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uniconazol | ||
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unikonazol | ||
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Record last updated: | 29/06/2019 |
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 |