Oxadiazon

Oxadiazon Basic information
Product Name:Oxadiazon
Synonyms:2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-5-oxo-1,3,4-oxadiazoline;Foresite;0xadiazon;1,3,4-Oxadiazol-2(3H)-one, 3-[2,4-dichloro-5-(1-methylethoxy)phenyl]-5-(1,1-dimethylethyl)-;1,3,4-Oxazol-2(3H)-one, 3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-;1,3,4-oxazol-2(3h)-one,3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dime;17623 RP;2-tert-Butyl-4-(2,4-dichloro-5-isopropyloxyphenyl)-1,3,4-oxadiazolin-5-one
CAS:19666-30-9
MF:C15H18Cl2N2O3
MW:345.22
EINECS:243-215-7
Product Categories:Alphabetic;Analytical Standards;O;HERBICIDE;OPesticides&Metabolites;Oxadiazolones;Alpha sort;Herbicides;N-PAnalytical Standards;Pesticides&Metabolites;API;Aromatics;Miscellaneous Reagents
Mol File:19666-30-9.mol
Oxadiazon Structure
Oxadiazon Chemical Properties
Melting point 88-90°C
Boiling point 417.0±55.0 °C(Predicted)
density 1.4130 (rough estimate)
refractive index 1.6140 (estimate)
storage temp. Sealed in dry,2-8°C
solubility Chloroform (Slightly), Ethyl Acetate (Slightly)
pka-2.73±0.40(Predicted)
form Waxy Solid
Water Solubility 0.7mg/L(24 ºC)
BRN 558070
CAS DataBase Reference19666-30-9(CAS DataBase Reference)
NIST Chemistry ReferenceOxadiazon(19666-30-9)
EPA Substance Registry SystemOxadiazon (19666-30-9)
Safety Information
Hazard Codes N
Risk Statements 50/53
Safety Statements 60-61
RIDADR UN3077 9/PG 3
WGK Germany 2
RTECS RO0874000
HS Code 29349990
Hazardous Substances Data19666-30-9(Hazardous Substances Data)
ToxicityLD50 orally in rats, bobwhite quail, mallard duck: 8000, 6000, 1000 mg/kg (Lim)
MSDS Information
ProviderLanguage
Scotts OH I English
Oxadiazon Usage And Synthesis
Chemical PropertiesColorless crystalline solid. Odorless.
Chemical PropertiesPale Yellow Solid
UsesA commonly used herbicide/pesticide.
UsesPreemergence herbicide used for controlling certain annual grasses (e.g., bluegrass, barnyardgrass, crabgrass, goosegrass, sprangletop) and broad-leaved weeds (e.g., cudweed, dayflower, filaree, groundsel, jimsonweed, morningglory, mustards, pigweed, redmaids, smartweed, sowthistle, velvetleaf) in turf, lawns, orchards and ornamentals.
UsesHerbicide.
DefinitionChEBI: Oxadiazon is an aromatic ether.
General DescriptionCrystalline solid. Used as an herbicide.
Air & Water ReactionsDust may form an explosive mixture in air.
Reactivity ProfileOxadiazon is a diazo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
Trade nameCARPETMAKER®; CHIP SHOT®[C]; GOLD KIST®; PAR EX®; PRO GROW®; REGAL O-O®; REGALSTAR®; RONSTAR®; RP-17623®; TURFIC®; VERTAGREEN®; WILBRO
Safety ProfileModerately toxic by ingestion, inhalation, and skin contact. When heated to decomposition it emits toxic vapors of NOx and Clí.
Potential ExposureAn oxadiazolinone/oxidiazole preemergence and early postemergence herbicide used to control annual grasses, sedges, and broadleaf weeds. Originally registered for use on turf and ornamentals; has wide use on golf courses.
Environmental FateSoil. The reported half-life in soil is approximately 3–6 months (Hartley and Kidd, 1987). Oxadiazon degraded slowly in both moist and flooded soils. After 25 weeks, only 0.1–3.5% degraded to carbon dioxide and 0.5–1.1% as volatile products. Metabolites identified included oxadiazonphenol, oxadiazon acid and methoxyoxadiazon (Ambrosi et al., 1977).
Plant. Reported half-lives of oxadiazon in rice and orchard fruit are 1–2 and 3–6 months, respectively (Hartley and Kidd, 1987).
ShippingUN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.
IncompatibilitiesDust may form explosive mixture in air. Diazo compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. This chemical is sensitive to prolonged exposure to heat. This chemical is incompatible with strong oxidizing agents.
Waste DisposalIt is the responsibility of chemical waste generators to determine the toxicity and physical properties and of a discarded chemical and to properly identify its classification and certification as a hazardous waste, and to determine the disposal method. United States Environmental Protection Agency guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult and follow all regional, national, state, and local hazardous waste laws to ensure complete and accurate classification and disposal methods. 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.
Do 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 guidance on acceptable disposal practices. If allowed, 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 environment
Oxadiazon Preparation Products And Raw materials
Raw materialsSulfuric acid-->Toluene-->Nitric acid-->Sodium nitrite-->Carbon tetrachloride-->Iron-->Xylene-->PHOSGENE-->EMULSIFIER-->Pivaloyl chloride-->2,4-Dichlorophenol
Preparation ProductsAcetochlor+Oxadiazon,E.C.
Oxadiazon acid Cyhalofop-butyl 4-Chlorophenylhydrazine Clomazone PHENYL RESIN 3-ISOPROPOXYANILINE Phenylacetone Buprofezin OXADIAZON SOLUTION 100UG/ML IN TOLUENE 1ML Isoxaflutole E.C. PHENYL VALERATE ETHYL (3-HYDROXYPHENYL)CARBAMATE BUTYL OLEATE OXADIARGYL PESTANAL Dichloroethane 4-Chloro-3-ethoxyaniline OXADIAZON-HYDROXY 10NG/UL IN TOLUENE 5ML [R] OXADIAZON SOLUTION 100UG/ML IN ACETONITRILE 1ML

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