Diclofop-methyl

Diclofop-methyl Basic information
Product Name:Diclofop-methyl
Synonyms:NOGRASS;(+or-)-methyl2-(4-(2,4-dichlorophenoxy)phenoxy)propionate;2-(4-(2,4-Dichlorophenoxy)phenoxy)-methyl-propionate;2-(4-(2,4-dichlorophenoxy)phenoxy)-propionicacimethylester;2-(4-(2’,4’-dichlorophenoxy)-phenoxy)-methyl-propionate;2-(4-(2',4'-Dichlophenoxy) phenoxy) methylpropanoate;Holgrass(Hoechst);Diclofop-Me
CAS:51338-27-3
MF:C16H14Cl2O4
MW:341.19
EINECS:257-141-8
Product Categories:HERBICIDE;DIA - DICPesticides&Metabolites;Alpha sort;D;DAlphabetic;Herbicides;Pesticides&Metabolites;Phenoxy structure;Alphabetic
Mol File:51338-27-3.mol
Diclofop-methyl Structure
Diclofop-methyl Chemical Properties
Melting point 39-41°C
Boiling point 173-175°C (0.1 mbar)
density 1.3
refractive index 1.5300 (estimate)
storage temp. 0-6°C
form neat
Water Solubility 0.005 g/100 mL
Merck 13,3109
BRN 2224754
LogP4.620
CAS DataBase Reference51338-27-3(CAS DataBase Reference)
NIST Chemistry ReferencePropanoic acid, 2-[4-(2,4-dichlorophenoxy)phenoxy]-, methyl ester(51338-27-3)
EPA Substance Registry SystemDiclofop methyl (51338-27-3)
Safety Information
Hazard Codes Xn;N,N,Xn
Risk Statements 22-43-50/53
Safety Statements 24-37-60-61
RIDADR UN 3077
WGK Germany 2
RTECS UF1180000
HS Code 29189900
Hazardous Substances Data51338-27-3(Hazardous Substances Data)
Toxicitydog,LD50,oral,1600mg/kg (1600mg/kg),"Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A138, Pg. 1983,
MSDS Information
Diclofop-methyl Usage And Synthesis
Chemical PropertiesA white crystalline solid. Odorless. Can also be commercially available as a clear to dark brown liquid with a typical solvent odor
UsesHerbicide.
DefinitionChEBI: Methyl 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoate is a methyl ester resulting from the formal condensation of the carboxylic acid group of 2-[4-(2,4-dichlorophenoxy)phenoxy]propanoic acid with methanol. It is an aromatic ether, a dichlorobenzene, a diether and a methyl ester.
General DescriptionColorless crystals. Decomposed by either strong acid or base. Used as a selective herbicide.
Air & Water ReactionsSlightly soluble in water (3 mg/l).
Reactivity ProfileA bridged diphenyl.
HazardModerately toxic by ingestion and skin contact. Low toxicity by inhalation.
Agricultural UsesHerbicide: Some uses are classified as U.S. Restricted Use Pesticide (RUP). Diclofop-methyl is a selective post-emergence herbicide used to control wild oats and annual grassy weeds in grain and vegetable crops: alfalfa, carrots, celery, box, field and french beans, barley, wheat, brassicas, parsnips, peas, potatoes, rapeseed (canola), soy beans, oilseed rape, onions, sugar beets and lettuce.
Trade nameDICHLORDIPHENPROP®; HOELON®; HOELON® 3EC; HOE-GRASS®; HOEGRASS®; HOE® 23408; ILOXAN®; ILLOXAN®; ONE SHOT®[C]
Potential ExposureDiclofop-methyl is a chlorophenoxy; aryloxyphenoxypropionate acid selective postemergenceherbicide used to control wild oats and annual grassy weeds in grain and vegetable crops: alfalfa, carrots, celery, box, field and French beans, barley, wheat, brassicas, parsnips, peas, potatoes, rapeseed (canola), soy beans, oilseed rape, onions, sugar beets and lettuce. Some uses are classified RUP
Environmental FateBiological. From the first-order biotic and abiotic rate constants of diclofop-methyl in estuarine water and sediment/water systems, the estimated biodegradation half-lives were 0.24–12.4 and 0.11–2.2 days, respectively (Walker et al., 1988).
Metabolic pathwayTwo resistant biotypes of black-grass (Peldon A1 and Lincs. E1 of Alopecurus myosuroides) exhibit moderately enhanced metabolism of 14C-diclofop methyl. Diclofop methyl is hydrolyzed to the corresponding propionic acid which undergoes further degradation to give polar metabolites. The amounts of the metabolites depend on the metabolism activity of the individual biotypes. In wheat, three isomeric hydroxylated metabolites are identified in a major metabolic pathway after acid hydrolysis of the glucoside conjugates.
ShippingUN3345 Phenoxyacetic acid derivative pesticide, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN3348 Phenoxyacetic acid derivative pesticide, liquid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous material. UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required. Note: Commercial product may also be a liquid in a flammable carrier.
IncompatibilitiesIncompatible with oxidizers, chlorates nitrates, peroxides, sulfuric acid, caustics, ammonia, aliphatic amines, alkanolamines, isocyanates, alkylene oxides, and epichlorohydrin.
Waste DisposalIn accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. 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
Diclofop-methyl Preparation Products And Raw materials
Raw materialsPropionic acid-->NITROFEN
Methyl DALAPON-METHYL ESTER Fluazifop-P-butyl Fenoxaprop-p-ethyl Quizalofop-ethyl (2-METHYL-1H-INDOL-3-YL)-OXO-ACETIC ACID ETHYL ESTER Thiobencarb Lactofen m-Anisyl alcohol FENOXAPROP Fenoxaprop-P Diclofop-methyl 3-(METHOXYMETHOXY)BENZALDEHYDE Kresoxim-methyl Thiophanate-methyl Methyl 3-methoxypropionate FENOXAPROP-ETHYL METHYL THIOPHENE-2-CARBOXYLATE

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