2,4-Dichlorophenoxybutyric acid

2,4-Dichlorophenoxybutyric acid Basic information
Product Name:2,4-Dichlorophenoxybutyric acid
Synonyms:2,4-DB ACID;2,4-Dichlorophenoxybutyric acid;2,4-DB, 1GM, NEAT;2,4-DB PESTANAL (4-(2,4-DICHLORO- PHENOX;2,4-DB 175;2,4-db (bsi,wssa,iso);4-(2,4-DICHLOROPHEOXY)BUTANOICACID;4-(2,4-DICHLOROPHENOXY)BUTYRIC ACID 95+%
CAS:94-82-6
MF:C10H10Cl2O3
MW:249.09
EINECS:202-366-9
Product Categories:Organic acids;Pharmaceutical Raw Materials
Mol File:94-82-6.mol
2,4-Dichlorophenoxybutyric acid Structure
2,4-Dichlorophenoxybutyric acid Chemical Properties
Melting point 118-120 °C(lit.)
Boiling point 324.35 °C
density 1.3342 (estimate)
storage temp. 0-6°C
form Amorphous Powder
pka4.56±0.10(Predicted)
color Off-white
Water Solubility 53mg/L(room temperature)
Merck 13,2855
BRN 1976809
CAS DataBase Reference94-82-6(CAS DataBase Reference)
NIST Chemistry ReferenceButanoic acid, 4-(2,4-dichlorophenoxy)-(94-82-6)
EPA Substance Registry System2,4-DB (94-82-6)
Safety Information
Hazard Codes Xn,N
Risk Statements 22-51/53
Safety Statements 25-29-46-61
RIDADR UN 3077 9/PG 3
WGK Germany 2
RTECS ES9100000
HazardClass 6.1(b)
PackingGroup III
HS Code 29189900
Hazardous Substances Data94-82-6(Hazardous Substances Data)
MSDS Information
ProviderLanguage
4-(2,4-Dichlorophenoxy)butanoic acid English
SigmaAldrich English
ALFA English
2,4-Dichlorophenoxybutyric acid Usage And Synthesis
Chemical PropertiesWhite to light-brown crystalline solid. May be shipped as a concentrate to be mixed with water and used as a spray. Slight phenolic odor.
Uses4-(2,4-Dichlorophenoxy)butanoic Acid is a herbicide.
DefinitionChEBI: A monocarboxylic acid that is butyric acid in which one of the hydrogens at position 4 is replaced by a 2,4-dichlorophenoxy group. A selective post-emergence herbicide.
General DescriptionColorless crystals. Slightly corrosive to iron. A chlorinated phenoxy herbicide. Soluble in organic solvents.
Reactivity Profile2,4-Dichlorophenoxybutyric acid is an organic acid. Neutralizes bases in exothermic reactions. Forms water soluble metal and amine salts. Hard water precipitates the calcium and magnesium salts from aqueous solutions of such salts.
Potential Exposure2,4-DB is a chlorophenoxy/arylox- yalkanoic acid selective systemic herbicide used to control annual and perennial broadleaf weeds in many field crops such as alfalfa, peanuts, cereals and soybeans; used as a defoliant. In the plant, the compound changes to 2,4-D and inhibits growth at the tips of stems and roots.
ShippingUN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous haz- ardous material, Technical Name Required.
Incompatibilities2,4-DB is a weak organic acid. Keep away from oxidizers, sulfuric acid, caustics, ammonia, aliphatic amines, alkanolamines, isocyanates, alkylene oxides, and epichlorohydrin. Corrosive to iron, aluminum, zinc, and possibly other metals, especially in the presence of moisture.
Waste DisposalDo not discharge into drains or sewers. Dispose of waste material as hazardous waste using a licensed disposal contractor to an approved landfill. Consult with environmental regulatory agencies for guid- ance on acceptable disposal practices. Incineration with effluent gas scrubbing is recommended. Containers must be disposed of properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office
2,4-Dichlorophenoxybutyric acid Preparation Products And Raw materials
Raw materialstert-Butanol-->Chloroacetic acid-->Sodium chloroacetate-->Phenoxyacetic acid-->Butyl 2,4-dichlorophenoxyacetate
Hydrocortisone-17-butyrate AURORA 4694 2,4-dichlorophenoxybutyric acid sodium salt 4-Aminobutyric acid AURORA 8268 CELLULOSE ACETATE BUTYRATE Chlorambucil AURORA KA-6209 2,4-DB-BUTOXYETHYL ESTER 2,4,5-TB 2,4-dichlorophenoxybutyric acid potassium salt Benzyldimethylcarbinyl butyrate 2,4-dichlorophenoxybutyric acid dimethylamine salt p-Dichlorobenzene 2,4-DB-2-ETHYLHEXYL ESTER 2,4-dichlorophenoxybutyric acid methyl ester AURORA 22820 2,4-Dichlorophenoxybutyric acid

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