ChemicalBook >>2,4-Dichlorophenoxybutyric acid>>4-(2,4-Dichlorophenoxy)butanoic acid(94-82-6)

4-(2,4-Dichlorophenoxy)butanoic acid(94-82-6)

4-(2,4-Dichlorophenoxy)butanoic acid(94-82-6)
Product IdentificationBack to Contents
【Product Name】

4-(2,4-Dichlorophenoxy)butanoic acid
【Synonyms】

(2,4-Dichlorophenoxy)butyric acid
2,4-D butyric acid
2,4-DB
4-(2,4-Dichlorophenoxy)butanoic acid
Butirex
Embutone
【CAS】

94-82-6
【Formula】

C10H10Cl2O3
【Molecular Weight】

249.09
【EINECS】

202-366-9
【RTECS】

ES9100000
【RTECS Class】

Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector
【Merck】

13,2855
【Beilstein/Gmelin】

1976809
【Beilstein Reference】

4-06-00-00927
【EC Index Number】

607-083-00-8
【EC Class】

Harmful; Dangerous for the Environment
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless crystals.
【Solubility in water】

46 ppm at 25 C
【Melting Point】

118
【Boiling Point】

150 (0.2 torr)
【Vapor Pressure】

.000004
【pKa/pKb】

4.95 (pKa)
【Partition Coefficient】

3.53
【Usage】

Control of broad-leafed plants in row crops, defoliants, general brush control. Chlorophenoxy compounds, from table.
First Aid MeasuresBack to Contents
【Ingestion】

Seek medical assistance.
【Inhalation】

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
【Skin】

Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
【Eyes】

Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.
Handling and StorageBack to Contents
【Storage】

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
【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 IdentificationBack to Contents
【Ingestion】

Nausea, vomiting, and diarrhea may be noted following ingestion.
【Inhalation】

Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.
【Skin】

Cyanosis unresponsive to oxygen therapy may be noted in patients with methemoglobinemia due to absorption of excessive amounts of these agents.
【Eyes】

See Skin.
【Hazards】

Containers may explode when heated.
【EC Risk Phrase】

R 22 51/53
【EC Safety Phrase】

S 25 29 46 61
【UN (DOT)】

2765
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear appropriate protective gloves, clothing and goggles.
【Respirators】

Wear positive pressure self-contained breathing apparatus (SCBA).
【Poison Class】

3
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Small Fires: Dry chemical, carbon dioxide or water spray. Large Fires: Water spray, fog or regular foam.
【Fire Potential】

Combustible material: may burn but does not ignite readily.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stability and ReactivityBack to Contents
【Stability】

No data.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2765
【Hazard Class】

3.2
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