Structural formula 
Common name Cyhalofop-butyl
Product name Cyhalofop-butyl
CAS number 122008-85-9 Molecular weight
357.375
Density 1.2±0.1 g/cm3
Boiling point 449.1±45.0 ? at 760 mmHg
Molecular formula C20H20FNO4
Melting point 49.5ºC
Flash point 225.4±28.7 °C
Symbol  
GHS07, GHS0 9
Signal word Warning
Uses
Cyhalofop-butyl is a post-emergent herbicide. Cyhalofop-butyl inhibits the biosynthesis of acetyl-CoA carboxylase (ACCase).
Cyhalofop-butyl nameProduct name
cyhalofop-butyl
Alias ??(R)-2-[4(4-cyano-2-fluorophenoxy)phenoxy]-butylpropionate
Cyhalofop-butyl Biological Activity
Description Cyhalofop-butyl is a post-emergent herbicide. Cyhalofop-butyl inhibits the biosynthesis of acetyl-CoA carboxylase (ACCase).
Physical and chemical properties Density 1.2±0.1 g/cm3 Boiling point 449.1±45.0 °C at 760 mmHg Melting point 49.5ºC Molecular formula C20H20FNO4 Molecular weight 357.375 Flash point 225.4±28.7 °C Accurate mass 357.137634 PSA 68.55000 LogP 4.40 Appearance Solid; White to Almost white powder to lump vapor pressure 0.0±1.1 mmHg at 25°C refractive index 1.551 storage conditions 0-6°C water solubility soluble in: methanol molecular structure 1, molar refractive index: 93.86
2. Molar volume (cm3/mol): 294.2
3. Isotonic specific volume (90.2K): 775.2
4. Surface tension (dyne/cm): 48.1
5. Dielectric constant: None available
6. Polarizability (10-24cm3): 37.21
7. Single isotope mass: 357.137636 Da
8. Nominal mass: 357 Da
9. Average mass: 357.3755 Da
Computational Chemistry
1. Hydrophobic parameter calculation reference value (XlogP): 4.8
2. Number of hydrogen bond donors: 0
3. Number of hydrogen bond acceptors: 6
4. Number of rotatable chemical bonds: 9
5. Number of tautomers: None
6. Topological molecular polar surface area 68.6
7. Number of heavy atoms: 26
8. Surface charge: 0
9. Complexity: 483
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 1
12. Number of uncertain atomic stereocenters: 0
13. Determine the number of stereocenters of chemical bonds: 0
14. Uncertain number of chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Cyhalofop-butyl MSDS
1.1 Product identifier
: Cyhalofop-butyl
chemical common name or trade name
1.2 Other methods of identification
Butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propionate
1.3 Relevant identification USES OF THE SUBSTANCE OR MIXTURE AND USES ADVISED UNDERSTANDING
For research purposes only and not for use as a pharmaceutical, home remedy or for any other purpose.
Module 2. Hazard overview
2.1 GHS classification
Acute toxicity, Oral (Category 4)
Acute toxicity, Dermal (Category 5)
Acute aquatic toxicity (Category 1)
2.2 GHS labeling elements, including precautionary statements
Hazard type pictogram
signal Word Warning
Hazard Statements
H302 Harmful if swallowed.
H313 may be harmful in contact with skin.
H400 is extremely toxic to aquatic life.
Warning Statement
Prevention
P264 Clean skin thoroughly after handling.
P270Do not eat, drink or smoke while using this product.
P273 Avoid release into the environment.
Actions
P301 + P312 If swallowed: If you feel unwell, call a poison center or see a doctor.
P312 If you feel unwell, call a detoxification center or doctor.
P330 rinse mouth.
P391Catch spillage.
Disposal
P501 Dispose of contents/container to an approved waste treatment plant.
2.3 Other Hazardous Substances - None
Module 3. Composition/Composition Information
3.1 Substance
Alias: Butyl (R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propionate Molecular
formula: C20H20FNO4
Molecular weight: 357.38 g/mol
Ingredient concentration
Cyhalofopbutyl
Module 4. First aid measures
4.1 Description of necessary first aid measures
General advice
Consult a doctor. Show this safety data sheet to the doctor on site.
If inhaled
If inhaled, move victim to fresh air. If breathing stops, give artificial respiration. Ask a doctor.
In case of skin contact
wash with soap and plenty of water. Ask a doctor.
In case of eye contact
flush eyes with water as a precaution.
If Ingested
Never give anything by mouth to an unconscious person. Rinse mouth with water. Ask a doctor.
4.2 Most important symptoms and effects, both acute and delayed
To the best of our knowledge, the chemical, physical and toxicological properties have not been completely studied.
4.3 Instructions for prompt medical treatment and any special treatment needed
No data available
Module 5. Firefighting measures
5.1 Fire-extinguishing media
Fire-fighting methods and fire-extinguishing media
Use water spray, alcohol-resistant foam, dry powder or carbon dioxide to extinguish fires.
5.2 Special hazards arising from the substance or mixture
Carbon oxides, nitrogen oxides, hydrogen fluoride
5.3 Precautions for fire-fighters
If necessary, wear self-contained breathing apparatus for fire-fighting.
5.4 Further information
No data available
Module 6. Accidental release measures
6.1 Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Prevent the generation of dust. Avoid breathing vapors, aerosols or gases. Ensure adequate ventilation.
Evacuate personnel to a safe area. Avoid breathing dust.
6.2 Environmental precautions
Take measures to prevent further leakage or spillage under safe conditions. Do not allow product to enter drains.
Prevent emissions to the surrounding environment.
6.3 Methods and materials to contain and clean up spills
Collect and dispose of spills without creating dust. Sweep and shovel away. Store in suitable closed disposal containers.
6.4 Reference to other sections
Please refer to Section 13 for discard processing.
Module 7. Handling and Storage
7.1 Precautions for safe handling
Avoid contact with skin and eyes. Prevent dust and aerosol generation.
Where dust is generated, provide appropriate exhaust equipment. General fire protection measures.
7.2 Conditions for safe storage, including any incompatibilities
Store in a cool place. Keep the container tightly closed and store in a dry and ventilated place.
7.3 Specific uses
No data available
Module 8. Exposure controls/personal protection
8.1 Control parameters
Maximum permissible concentration
There are no known national exposure limits.
8.2 Exposure controls
Appropriate technical controls
Handle in accordance with rules of industrial hygiene and safe use. Wash your hands before breaks and at the end of work.
Personal protective equipment
Eye/face protection
Safety glasses with side shields comply with EN166 requirements. Please use
equipment tested and approved by official standards such as NIOSH (USA) or EN 166 (EU) to protect your eyes.
Skin Protection
Gloves must be inspected before use.
Please use appropriate methods to remove gloves (do not touch the outer surface of the gloves) and avoid any skin contact with this product.
After use, please handle contaminated gloves carefully in accordance with relevant laws and regulations and effective laboratory procedures. Please wash and Blow-dry your hands
. The protective gloves chosen must comply with EU directive 89/686/EEC and the EN 376 standard derived from it.
Body protection
Full set of work clothes against chemical agents. The type of protective equipment must be selected according to the concentration and content of dangerous substances in the specific workplace.
Respiratory protection
If exposed to harmful environments, please use type P95 (US) or P1 (EU, UK)
143) Particulate respirator. If you need a higher level of protection, please use OV/AG/P99 type (US) or ABEK-P2 type (EU UK 143)
gas cans.
Respirators use respirators and parts that have been tested and passed government standards such as NIOSH (US) or CEN (EU).
Module 9. Physicochemical Properties
9.1 Information on basic physicochemical properties
a) Appearance and properties
Shape: Crystalline
Color: White
b) Odor
Characteristic
c) Odor critical value
No data available
d) pH value
6.7 at 23 °C
e) Melting point/freezing point
48 - 50 °C
f) Initial boiling point and boiling range
> 270 °C
g) Flash point
122 °C - closed cup
h) Evaporation rate
No data availablei
) Flammability (solid, gas)
No data availablej
) High /Low flammability or explosive limits No data available
k) Vapor pressure
530 hPa
l) Relative vapor density
No data available
m) Relative density
1.172 g/cm3 at 20 °C
n) Water solubility
0.00044 g/l at 20 °C
o) Log value of the octanol/water partition coefficient
Log value of the octanol-water partition coefficient: 3.316 at 25 °C
p) Autoignition temperature
No data availableq
) Decomposition temperature
No data availabler
) Viscosity
No data available
Module 10. Stability and reactivity
10.1 Reactivity
No data available
10.2 Chemical stability
No data available
10.3 Possibility of hazardous reactions
No data available
10.4 Conditions to avoid Contact
no data
available 10.5 Incompatible materials
Water, acids and alkalis
10.6 Danger Decomposition products of
Other decomposition products - No data available
Module 11. Toxicological information
11.1 Information on toxicological effects
Acute
toxicity LD50 Oral - Rat - 1,611.7 mg/kg
LC50 Inhalation - Rat - > 5.63 mg/l
LC50 LD50) Dermal - Rat - > 2,000 mg/kg
Skin corrosion/irritation
Serious eye damage/eye irritation
Eye - Rabbit -
Remarks: Mild irritation
Respiratory or skin sensitization
Guinea pig -
Remarks: Not expected
Germ cell mutagenesis
No data available
Carcinogenicity
IARC:
There are no components in this product at levels greater than or equal to 0.1% that have been identified by IARC as possible or definite human carcinogens.
Reproductive toxicity
No data available
Specific target organ systemic toxicity (single exposure)
No data available
Specific target organ systemic toxicity (repeated exposure)
No data available
Aspiration hazard
No data available
Potential health effects
Inhalation May be harmful if inhaled. May cause respiratory irritation.
Harmful to human body if swallowed.
Skin may be harmful if absorbed through the skin. May cause skin irritation.
Eyes May cause eye irritation.
Signs and Symptoms Following Exposure
To the best of our knowledge, the chemical, physical and toxicological properties have not been completely studied.
Additional information
Registration of toxic effects of chemical substances: No data available
Module 12. Ecological information
12.1 Toxicity
Toxicity to fish LC50 - Oncorhynchus mykiss (red trout) - > 0.49 mg/l
LC50 - Lepomis macrochirus (bluegill sunfish) - > 0.76 mg/l
toxicity to algae Note: Highly toxic to algae.
12.2 Persistence and degradability
Biodegradability Aerobic Exercise
Remarks: According to the results of the biodegradation test, this product is easily degradable.
12.3 Bioaccumulation potential
No data available
12.4 Mobility in soil
No data available
12.5 Evaluation of results for PBT and vPvB
No data available
12.6 Other adverse effects
Very toxic to aquatic life.
Module 13. Disposal
13.1 Waste disposal methods
Product
Hand in remaining and unrecovered solution to a disposal company. Contact a professional licensed waste disposal facility to dispose of this material.
Miscible or mixed with flammable solvents, burned in a chemical incinerator equipped with post-combustion treatment and scrubbing. Contaminated
packaging
is discarded as unused product.
Module 14. Transport information
14.1 UN number
European Land Transport Risk Regulation: 3077 International Maritime Transport Risk Regulation: 3077 International Air Transport Risk Regulation: 3077
14.2 Name specified by the United Nations (UN)
European Land Transport Risk Regulation: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, NOS (Cyhalofopbutyl)
International Maritime hazard regulations: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, NOS ( Cyhalofopbutyl
) 9 14.4 Package group EuroRUL: III IMDG: III IMDG: III 14.5 Environmental hazard EuroRUL: Yes IMDG Maritime contaminants: Yes IMDG: Yes 14.6 To the user Special precautions for further information : Dangerous goods are individually packaged, liquids are more than 5 liters or solids are more than 5 kilograms. Each independent package and the combined independent inner package must have EHS on the outer package.
Labeling (according to European ADR Regulation 2.2.9.1.10, IMDG Regulation 2.10.3),
Module 15 - Regulatory Information
N/A
Module 16 - Additional Information
N/A
Safety Information
Symbol
GHS07, GHS09
Signal Word Warning
Hazard Statement H302-H400
Precautionary Statement P273
Personal Protective Equipment dust mask type N95 (US); Eyeshields; Gloves
Hazard Code (Europe) Xn, N
Risk Statement (Europe) 22- 50
Safety Statement (Europe) S22-S24/25
Dangerous Goods Transport Code UN 3077 9 / PGIII
WGK Germany 3
Customs Code 2926909039 |
