Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Butyl 2,4-dichlorophenoxyacetate(94-80-4)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
Butyl 2,4-dichlorophenoxyacetate
Synonyms
2,4-Dichlorophenoxyacetic acid butyl ester
Butyl (2,4-dichlorophenoxy)acetate
Butyl dichlorophenoxyacetate
Esso Herbicide 10
Fernesta
Lironox
CAS
94-80-4
Formula
C12H14Cl2O3
Molecular Weight
277.16000000000003
EINECS
202-364-8
RTECS
AG8050000
RTECS Class
Agricultural Chemical and Pesticide; Tumorigen; Reproductive Effector
Beilstein/Gmelin
2056085
Beilstein Reference
3-06-00-00706

Physical and Chemical Properties

Appearance
Clear colorless to light brown liquid.
Solubility in water
Insoluble
Melting Point
9
Boiling Point
344
Vapor Pressure
0.0001 (25 C)
Partition Coefficient
4.26
Heat Of Vaporization
58.8 kJ/mol
Usage
Herbicide for pasture & rangelands, agricultural use-eg, wheat, corn, grain sorghum, rice and other grains, industrialcommercial uses, lawns, turf, & aquatic use, other field crops-eg, nuts, component of herbicide for jungle defoliation-former use 2,4-d and derivatives.
Vapor Density
7E-5 (25 C)

First Aid Measures

Ingestion
DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician.
Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
Eyes
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Handling and Storage

Storage
Store at ambient temperatures with open venting.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Inhalation
Ingestion of large amounts may cause bradypnea, respiratory failure, hyperventilation, or pulmonary edema.
Skin
Direct contact may cause skin irritation. Chlorodioxin contamination of products may produce chloracne with heavy exposure.
Eyes
See Skin.
Ingestion
Nausea, vomiting, and diarrhea have been reported. Necrosis of the gastrointestinal mucosa has been reported.
Hazards
Containers may explode when heated.
UN (DOT)
2765

Exposure Controls/Personal Protection

Personal Protection
See information for this field in accession number 8400333 (2,4-d esters).
Respirators
Wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter.
Exposure Effects
Low dose exposures - vertigo, headache, malaise, and paresthesias may occur depending on the specific compound involved. High dose exposures - muscle twitching, spasms, profound weakness, polyneuritis, and unconsciousness may occur depending on the specific compound involved. Idiosyncratic reactions - peripheral neuropathies 2,4-D and 2,4,5-T have caused adverse reproductive effects in experimental animals. Allegations of human birth defects due to these compounds have not been confirmed.
Exposure limit(s)
OSHA: PEL (8 h TWA): 10 mg/m3.
Poison Class
3

Fire Fighting Measures

Flash Point
132
Fire Fighting
Fires involving this material should be controlled using a dry chemical, carbon dioxide or Halon extinguisher.
Fire Potential
This material is probably combustible.

Accidental Release Measures

Small spills/leaks
If you spill this chemical, FIRST REMOVE ALL SOURCES OF IGNITION. Then, use absorbent paper to pick up all liquid spill material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Stability and Reactivity

Stability
Shelf life of ester formulations varies, depending on the emulsifying system. Some retain satisfactory emulsifying properties after 3 yr.
Incompatibilities
Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products.
Combustion Products
Irritating hydrogen chloride may form in fire.

Transport Information

UN Number
2765
Hazard Class
3.2
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