Diphenamid (Ref: L 34314) |
![]() Last updated: 17/01/2021 |
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(Also known as: diphenamide; diphenylamide; difenamide) |
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A herbicide used for pre-emergence control of annual grasses and some broad-leaved weeds | |
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Annual bluegrass; Annual sedge; Barnyard grass; Crabgrass; Foxtail; Nettles; Chickweed | |
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Peanuts; Tobacco; Sweet potatoes; Cotton; Soybeans; Fruit including apple, peach, orange, lime, cherry; Ornamental lawns | |
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Unknown | |
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circa 1960 |
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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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C₁₆H₁₇NO | |
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CN(C)C(=O)C(C1=CC=CC=C1)C2=CC=CC=C2 | |
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No data | |
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QAHFOPIILNICLA-UHFFFAOYSA-N | |
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InChI=1S/C16H17NO/c1-17(2)16(18)15(13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12,15H,1-2H3 | |
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Yes |
General status |
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Herbicide | |
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Alkanamide | |
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Synthetic | |
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Selective, systemic, absorbed through roots. Inhibition of VLCFA (inhibition of cell division). | |
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957-51-7 | |
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213-482-4 | |
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372 | |
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036601 | |
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13728 | |
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239.31 | |
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N,N-dimethyl-2,2-diphenylacetamide | |
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N,N-dimethyldiphenylacetamide | |
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N,N-dimethyl-α-phenylbenzeneacetamide | |
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K3 | |
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15 | |
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Not applicable | |
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Not applicable | |
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Colourless crystals |
Formulations |
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Supplied in a variety of formulations including wettable powders, liquid dispersions and granules |
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260 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | ||||||||
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189000 | L3 L = Pesticide manuals and hard copy reference books / other sources Acetone3 = Unverified data of known source |
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50000 | L3 L = Pesticide manuals and hard copy reference books / other sources Xylene3 = Unverified data of known source |
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135 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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1.48 X 1002 | Calculated | - | |||||||
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2.17 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
Low | ||||||||
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1.17 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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3.04 X 10-03 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Low volatility | ||||||||
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3.68 X 10-06 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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30 | 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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Best available data | ||||||||||
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Soil adsorption and mobility |
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- | M3 M = GLEAMS Model database (Groundwater Loading Effects of Agricultural Management Systems) (click here ) 3 = Unverified data of known source |
Moderately mobile | |||||||
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210 | ||||||||||
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Fate indices |
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2.48 | Calculated | Transition state | ||||||||||||||||||||||||||
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1.35 X 10-01 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Moderately mobile | Calculated | - |
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54 | Q2 Q = Miscellaneous internet resources Estimated2 = Unverified data of unknown source |
Low potential | |||||||
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Not available | - | |||||||||
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970 | 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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- | L2 L = Pesticide manuals and hard copy reference books / other sources Rat 2 year2 = Unverified data of unknown source |
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2000 | - | |||||||||
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30000 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Anas platyrhynchos4 = Verified data |
Low | ||||||||
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97 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Oncorhynchus mykiss4 = Verified data |
Moderate | ||||||||
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0.058 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna4 = Verified data |
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2432 | 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 |
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General |
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High (class III) | - | - | ||||||||
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970 | 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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225 | 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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Prevent generation of dust | |||
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Health: H302 Environment: H412 |
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Xn - Harmful: R22 N - Dangerous for the environment: R52, R53 |
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S2, S61 | |||
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II (Moderately hazardous) | |||
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diphenamid | ||
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difenamide | ||
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Diphenamid | ||
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diphenamid | ||
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difenamide | ||
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difenamida | ||
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diphenamid | ||
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difenamid | ||
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difenamide |
Record last updated: | 17/01/2021 |
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 |