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45751

Supelco

Diflufenican

PESTANAL®, analytical standard

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Empirical Formula (Hill Notation):
C19H11F5N2O2
CAS Number:
83164-33-4
Molecular Weight:
394.29
Beilstein:
4212494
MDL number:
MFCD01311804
UNSPSC Code:
41116107
PubChem Substance ID:
329756934
NACRES:
NA.24

grade

analytical standard

Quality Level

100

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

agriculture
environmental

format

neat

SMILES string

Fc1ccc(NC(=O)c2cccnc2Oc3cccc(c3)C(F)(F)F)c(F)c1

InChI

1S/C19H11F5N2O2/c20-12-6-7-16(15(21)10-12)26-17(27)14-5-2-8-25-18(14)28-13-4-1-3-11(9-13)19(22,23)24/h1-10H,(H,26,27)

InChI key

WYEHFWKAOXOVJD-UHFFFAOYSA-N

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General description

Diflufenican is a pre- and early post-emergence herbicide used to control dicotyledonous weeds in winter cereals, including Galium aparine, Veronica hederifolia, Veronica persica and Viola arvensis, which are resistant to substituted urea herbicides.

Application

Diflufenican may be used as a reference standard in the determination of diflufenican in water samples using solid-phase microextraction followed by gas chromatography coupled with ion trap-tandem mass spectrometry (SPME-GC-ITD-MS/MS).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302 + H312,H410

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

农药列管产品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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V Lecomte et al.
Journal of environmental quality, 30(6), 2113-2119 (2002-01-16)
Because soil surface structure has a considerable influence on infiltration rate, the sealing process is postulated to have a significant effect on herbicide loss through runoff. We evaluated the effect of degraded soil surface structures on herbicide loss in runoff
Shuang Bai et al.
Pesticide biochemistry and physiology, 155, 8-14 (2019-03-13)
Myosoton aquaticum L., a widespread and competitive winter weed of wheat in China, has evolved resistance to many classes of herbicides. In one M. aquaticum population (AH03), collected from Anhui Province, where tribenuron-methyl and florasulam had been used to control
Umi S Ramli et al.
The New phytologist, 184(2), 330-339 (2009-08-07)
* Oil crops are a very important commodity. Although many genes and enzymes involved in lipid accumulation have been identified, much less is known of regulation of the overall process. To address the latter we have applied metabolic control analysis
Gabriel S Weyman et al.
Environmental toxicology and chemistry, 31(7), 1662-1669 (2012-05-01)
Aquatic toxicity tests with substances that are poorly soluble in water have been conducted using different methods, and estimates of toxicity have varied accordingly. The present study illustrates differences in toxicity values resulting from variation in test designs and solution
Gary D Bending et al.
Environmental pollution (Barking, Essex : 1987), 139(2), 279-287 (2005-07-27)
The extent of within field variability in the degradation rate of the pesticides isoproturon, azoxystrobin and diflufenican, and the role of intrinsic soil factors and technical errors in contributing to the variability, was investigated in sites on sandy-loam and clay-loam.
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