122008-85-9
Product Name:
Cyhalofop-butyl
Formula:
C20H20FNO4
Synonyms:
Butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propionate
Inquiry
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.



