Isopropalin (Ref: EL-179) |
![]() Last updated: 04/01/2021 |
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(Also known as: isopropaline; paarlan; HSDB 6687) |
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An obsolete pre-plant herbicide once used for the control of weeds in tobacco and other crops | |
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Grass weeds; Broad-leaved weeds | |
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Tobacco; Solanaceous crops including potatoes, tomatoes, capsicum and chillies | |
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Obsolete | |
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1969, first report; 1972, Introduced in 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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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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C₁₅H₂₃N₃O₄ | |
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CCCN(CCC)C1=C(C=C(C=C1[N+](=O)[O-])C(C)C)[N+](=O)[O-] | |
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No data | |
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NEKOXWSIMFDGMA-UHFFFAOYSA-N | |
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InChI=1S/C15H23N3O4/c1-5-7-16(8-6-2)15-13(17(19)20)9-12(11(3)4)10-14(15)18(21)22/h9-11H,5-8H2,1-4H3 | |
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Yes |
General status |
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Herbicide | |
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Dinitroaniline | |
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Synthetic | |
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Selective. Inhibition of microtubular assembly | |
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33820-53-0 | |
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251-690-7 | |
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532 | |
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100201 | |
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36606 | |
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309.36 | |
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- | |
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4-isopropyl-2,6-dinitro-N,N-dipropylaniline | |
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4-(1-methylethyl)-2,6-dinitro-N,N-dipropylbenzenamine | |
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K1 | |
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3 | |
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Not applicable | |
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Not applicable | |
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Orange coloured liquid |
Formulations |
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Usually supplied as an emulsifiable concentrate |
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0.11 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low | ||||||||
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1000 | L3 L = Pesticide manuals and hard copy reference books / other sources Acetone3 = Unverified data of known source |
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1000 | L3 L = Pesticide manuals and hard copy reference books / other sources Benzene3 = Unverified data of known source |
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1000 | L3 L = Pesticide manuals and hard copy reference books / other sources Chloroform3 = Unverified data of known source |
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1000 | L3 L = Pesticide manuals and hard copy reference books / other sources Methanol3 = Unverified data of known source |
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Not applicable | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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1.95 X 1005 | Calculated | - | |||||||
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5.29 | K3 K = Research datasets, e.g. Pandora, Demetra 3 = Unverified data of known source |
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1.16 | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
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1.17 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Low volatility | ||||||||
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4.8 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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100 | DW3 DW = Don Wauchope personal database for Pka data: Wauchope, R. D. and Edwards, J. Dissociation constants for pesticide active ingredients: a database and comparison with predicted values. MS in preparation 3 = Unverified data of known source |
Persistent | |||||||
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General literature states DT₅₀ <0.5 year | ||||||||||
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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 |
Non-mobile | |||||||
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10000 | ||||||||||
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Best available data | ||||||||||
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Fate indices |
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0.00 | Calculated | Low leachability | ||||||||||||||||||||||||||
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5.35 X 10-03 | Calculated | - | |||||||||||||||||||||||||
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Estimated concentrations of chemicals with Koc values greater than 9995 ml g⁻¹ are beyond the scope of the regression data used in SCI-GROW development. If there are concerns for such chemicals, a higher tier groundwater exposure assessment should be considered, regardless of the concentration returned by SCI-GROW | ||||||||||||||||||||||||||||
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High | Calculated | - | ||||||||||||||||||||||||||
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Non-mobile | Calculated | - |
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17000 | Q2 Q = Miscellaneous internet resources Estimated2 = Unverified data of unknown source |
High potential | |||||||
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Not available | - | |||||||||
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> 5000 | Q4 Q = Miscellaneous internet resources Rat4 = Verified data |
Low | ||||||||
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> 2000 | 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 |
Low | ||||||||
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> 0.803 | 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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> 0.022 | 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 |
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0.011 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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General |
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High (class III) | - | - | ||||||||
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> 5000 | Q4 Q = Miscellaneous internet resources Rat4 = Verified data |
Low | ||||||||
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Health issues |
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No further information available |
Handling issues |
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Flammable liquid | |||
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Handling: H226 Environment: H400, H410 |
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Not classified: Obsolete | |||
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Not classified: Obsolete | |||
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O (Obsolete substance) | |||
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isopropalin | ||
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isopropaline | ||
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Isopropalin | ||
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isopropalin | ||
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isopropalin | ||
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isopropalina | ||
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izopropalina | ||
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Record last updated: | 04/01/2021 |
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 |