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122008-85-9

122008-85-9 structural image
Product Name: Cyhalofop-butyl
Formula: C20H20FNO4
Synonyms: Butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propionate
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Off-white to beige waxy solid (technical product); Clear amber liquid (end-use product); [HSDB]
Color/Form White crystalline solid
Odor Faint almond odor (technical); mild aromatic odor (end-use)
Boiling Point >270 °C (decomposes)
Melting Point 49.5 °C
Flash Point 122 °C (closed cup) /from table/
Solubility Solubility (g/L at 20 °C): >250 in acetonitrile, dichloroethane, methanol; acetone, ethyl acetate; 6.06 in n-heptane; 16.0 in n-octanol
Density Specific gravity = 1.172 at 20 °C
Vapor Pressure 0.0000004 [mmHg]
LogP log Kow = 3.31 at 25 °C
Henry's Law Constant Henry's Law constant: 9.51X10-4 Pa cu m/mol /9.4X10-9 atm-cu m/mole/ (calculated)
Stability/Shelf Life Stable at pH 4, hydrolysed slowly at pH 7.
Decomposition At pH 1.2 or pH 9, decomposition is rapid.
pH pH = 6.73 at 23 °C (end-use)
Other Experimental Properties Hydroxyl radical reaction rate constant = 2.3X10-11 cu cm/molecule-sec at 25 °C /Estimated/
Chemical Classes Pesticides -> Herbicides, Other

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Exclamation Mark
Irritant
GHS07

Health Hazard
GHS08

Environment
GHS09
GHS Hazard Statements H302:Acute toxicity,oral
H373:Specific target organ toxicity, repeated exposure
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P273:Avoid release to the environment.
P314:Get medical advice/attention if you feel unwell.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

COMPUTED DESCRIPTORS

Molecular Weight 357.4 g/mol
XLogP3 4.8
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 6
Rotatable Bond Count 9
Exact Mass 357.13763628 g/mol
Monoisotopic Mass 357.13763628 g/mol
Topological Polar Surface Area 68.6 Ų
Heavy Atom Count 26
Formal Charge 0
Complexity 483
Isotope Atom Count 0
Defined Atom Stereocenter Count 1
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Cyhalofop-butyl is an aromatic ether.