CRM04291
Diclofop-methyl
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
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About This Item
Empirical Formula (Hill Notation):
C16H14Cl2O4
CAS Number:
Molecular Weight:
341.19
Beilstein:
2224754
MDL number:
UNSPSC Code:
41116107
NACRES:
NA.24
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grade
certified reference material
TraceCERT®
Quality Level
product line
TraceCERT®
shelf life
limited shelf life, expiry date on the label
manufacturer/tradename
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
SMILES string
COC(=O)C(C)Oc1ccc(Oc2ccc(Cl)cc2Cl)cc1
InChI
1S/C16H14Cl2O4/c1-10(16(19)20-2)21-12-4-6-13(7-5-12)22-15-8-3-11(17)9-14(15)18/h3-10H,1-2H3
InChI key
BACHBFVBHLGWSL-UHFFFAOYSA-N
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General description
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com
Diclofop-methyl is a post-emergence chiral herbicide that belongs to the class of aryloxyphenoxy propanoate (AOPP) compounds. It prevents the synthesis of fatty acids by inhibiting the activity of acetyl CoA carboxylase (ACCase). Diclofop-methyl is a selective and systemic herbicide used against wild oats, wild millets, and other annual grass weeds in broad-leaf crops, wheat, barley, maize, sorghum, oats, sugar cane, rice, dicotyledonous vegetables, and cotton. It causes an immediate inhibitory effect on the growth of the shoot, intercalary, and root meristems of the plant. It quickly hydrolyzes to give diclofop in plants, water, and soil.
Diclofop-methyl was included on 1st June 2011 in Annex I of Directive 91/414/EEC by the European Commission Directive 2011/45/EU. Diclofop-methyl is approved for use in the European Union under EC Regulation No 1107/2009, as per the Commission Implementing Regulation (EU) No 540/2011, however it is a candidate for substitution.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com
Diclofop-methyl is a post-emergence chiral herbicide that belongs to the class of aryloxyphenoxy propanoate (AOPP) compounds. It prevents the synthesis of fatty acids by inhibiting the activity of acetyl CoA carboxylase (ACCase). Diclofop-methyl is a selective and systemic herbicide used against wild oats, wild millets, and other annual grass weeds in broad-leaf crops, wheat, barley, maize, sorghum, oats, sugar cane, rice, dicotyledonous vegetables, and cotton. It causes an immediate inhibitory effect on the growth of the shoot, intercalary, and root meristems of the plant. It quickly hydrolyzes to give diclofop in plants, water, and soil.
Diclofop-methyl was included on 1st June 2011 in Annex I of Directive 91/414/EEC by the European Commission Directive 2011/45/EU. Diclofop-methyl is approved for use in the European Union under EC Regulation No 1107/2009, as per the Commission Implementing Regulation (EU) No 540/2011, however it is a candidate for substitution.
Application
The certified reference material (CRM) is intended to be used as a calibrant for chromatography and other analytical techniques.
The diclofop-methyl CRM may find its use as described below:
The diclofop-methyl CRM may find its use as described below:
- To study the enantioselective degradation of diclofop-methyl and diclofop in two soil samples under aerobic and anaerobic conditions using high-performance liquid chromatography (HPLC)
- Simultaneous extraction and determination of enantiomers of diclofop-methyl and diclofop in cole using high-performance liquid chromatography-chiral stationary phase (HPLC-CS)
- Development of a multi-residue method for simultaneous estimation of 16 pesticides in water samples using direct immersion SPME followed by GC-MS analysis
- Simultaneous extraction and determination of aryloxyphenoxy-propionate herbicides from water samples by dispersive magnetic solid-phase extraction (d-MSPE) with high-performance liquid chromatography-diode array detector (HPLC-DAD) and ultra-high pressure liquid chromatography -triple quadrupole mass spectrometer (UHPLC-MS/MS)
- Evaluating the capacity of silica-bonded deoxycholic acid as a stationary phase having a 3,5-dinitrophenylcarbamoyl and a calix[4]arene substituent for enantiomeric separations
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Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Enantioselective degradation of diclofop-methyl in cole (Brassica chinensis L.)
Gu X, et al.
Food Chemistry, 121(1), 264-267 (2010)
Maciej Tankiewicz et al.
Talanta, 107, 1-10 (2013-04-20)
A simple and solvent-free multi-residue method has been optimized to determine 16 currently used pesticides from different chemical groups in aqueous samples. The extraction of analytes was carried out with direct immersion solid-phase microextraction (DI-SPME) and for the identification and
Mai Luo et al.
Analytica chimica acta, 852, 88-96 (2014-12-03)
A reliable, sensitive, rapid and environmentally friendly analysis procedure for the simultaneous determination of the analytes with a wide range of polarity in the environmental water was developed by coupling dispersive magnetic solid-phase extraction (d-MSPE) with high-performance liquid chromatography (HPLC)-diode
Sadegh Yaghoubnejad et al.
Journal of separation science, 41(9), 1903-1912 (2018-01-16)
We report the synthesis and enantioseparation characteristics of two novel covalently immobilized deoxycholic acid derivatives as chiral stationary phases for high-performance liquid chromatography. In the structure of the first stationary phase, the 3-position of deoxycholic acid is substituted with a
Jinling Diao et al.
Environmental science & technology, 44(6), 2042-2047 (2010-02-17)
In this study, the degradation of diclofop-methyl (DM) and its main metabolite, diclofop (DC), in two soils under aerobic and anaerobic conditions were investigated using enantioselective HPLC. Under aerobic or anaerobic conditions, rapid hydrolysis to the corresponding acid diclofop (DC)was
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