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Merck
CN

32753

Cyhalofop-butyl

PESTANAL®, analytical standard, mixture of stereoisomers

Synonym(s):

Butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propionate

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About This Item

Empirical Formula (Hill Notation):
C20H20FNO4
CAS Number:
122008-85-9
Molecular Weight:
357.38
NACRES:
NA.24
PubChem Substance ID:
329754315
UNSPSC Code:
41116107
MDL number:
MFCD01631151

Key Documents

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Product Name

Cyhalofop-butyl, PESTANAL®, analytical standard, mixture of stereoisomers

InChI

1S/C20H20FNO4/c1-3-4-11-24-20(23)14(2)25-16-6-8-17(9-7-16)26-19-10-5-15(13-22)12-18(19)21/h5-10,12,14H,3-4,11H2,1-2H3/t14-/m1/s1

SMILES string

CCCCOC(=O)[C@@H](C)Oc1ccc(Oc2ccc(cc2F)C#N)cc1

InChI key

TYIYMOAHACZAMQ-CQSZACIVSA-N

grade

analytical standard

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

Quality Level

100

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Application

Cyhalofop-butyl may be used as a reference standard in the determination of cyhalofop-butyl in rice samples using liquid chromatography coupled with diode array detector (LC-DAD).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

Cyhalofop-butyl is a post-emergence, aryloxyphenoxypropionate herbicide, which is used in controlling weeds in rice plantations. Its mode of action involves the inhibition of acetyl-coenzyme A carboxylase (ACCase) biosynthesis.

Legal Information

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

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Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

target_organs

Liver

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

251.6 °F - closed cup

flash_point_c

122 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

农药列管产品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCL1271
BCCD5709
BCBV7399

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Comparison of extraction solvents and conditions for herbicide residues in milled rice with liquid chromatography-diode array detection analysis (LC-DAD)
Niell.S, et al.
Food Additives and Contaminants, 27(2), 206-211 (2010)
Barnyardgrass (Echinochloa crus-galli) control in water-seeded rice (Oryza sativa) with cyhalofop-butyl
Ntanos.AD, et al.
Weed Technology, 14(2), 383-388 (2000)
Basis of selectivity of cyhalofop-butyl in Oryza sativa L.
Ruiz-Santaella.PJ, et al.
Planta, 223(2), 191-199 (2006)

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