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122008-85-9

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Identification

Name
Cyhalofop-butyl
CAS
122008-85-9
Synonyms
CYHALOFOP-BUTYL
(R)-butyl 2-(4-(4-cyano-2-fluorophenoxy)phenoxy)propanoate
cyhalofop butyl ester
XDE 537
Propanoic acid, 2-4-(4-cyano-2-fluorophenoxy)phenoxy-, butyl ester, (2R)-
cyhalofop-butyl (pa iso, ansi)
(2R)-2-(4-(4-Cyano-2-fluorophenoxy)phenoxy)propanoic acid butyl ester
Butyl-(R)-2-[4-(4-cyano-2-fluorophenoxy) phenoxy]propionate
BUTYL(R)-2-[4-CYANO-2-FLUOROPHENOXY)PHENOXY]PROPIONATE
Molecular Formula
C20H20FNO4
MDL Number
MFCD01631151
Molecular Weight
357.38
MOL File
122008-85-9.mol

Chemical Properties

Melting point 
47.0 to 51.0 °C
Boiling point 
449.1±45.0 °C(Predicted)
density 
1.21±0.1 g/cm3(Predicted)
Fp 
122℃
storage temp. 
0-6°C
form 
neat
InChIKey
TYIYMOAHACZAMQ-CQSZACIVSA-N
CAS DataBase Reference
122008-85-9(CAS DataBase Reference)
EPA Substance Registry System
122008-85-9(EPA Substance)

Safety Data

Hazard Codes 
Xn,N
Risk Statements 
22-50
Safety Statements 
61
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
HazardClass 
9
PackingGroup 
III
HS Code 
29269090
Hazardous Substances Data
122008-85-9(Hazardous Substances Data)

Hazard Information

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.
Cyhalofop-butyl has a low aqueous solubility and is non-volatile. It is non expected to be eprsistent in soil systems but may be persistent in some water systems depending on local conditions. Cyhalofop-butyl is moderately toxic to fish and aquatic plants but has a low toxicity ti aquatic invertebrates, birds and honeybees. It has a low mammalian oral toxicity.Cyhalofop-butyl.jpg
Uses
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).
Trade name
Clincher (Technical)
Clincher (CA)
Clincher (SF)
U.S. Producer: Dow AgroSciences LLC
Mode of action
Cyhalofop-butyl is an inhibitor of acetyl coenzyme -A carboxylase, a pivotal enzyme in plant fatty acid biosynthesis.

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