• Agrochemical Insecticide Pesticide Oxamyl CAS 23135-22-0
  • Agrochemical Insecticide Pesticide Oxamyl CAS 23135-22-0
  • Agrochemical Insecticide Pesticide Oxamyl CAS 23135-22-0

Agrochemical Insecticide Pesticide Oxamyl CAS 23135-22-0

CAS No.: 23135-22-0
Formula: C7h13n3o3s
EINECS: 245-445-3
Appearance: Powder
Source: Organic Synthesis
Toxicity of High and Low: Highly Toxic and High Toxic Drugs
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Basic Info.

Model NO.
SV111
Mode
Systemic Insecticide
Toxicological Effect
Nerve Poison
Transport Package
200L/Drum or as Customized
Specification
95% TC, 10% EC
Trademark
SINOVID
Origin
China
HS Code
298080000
Production Capacity
5000kg/Month

Product Description

Oxamyl Basic information
Product Name: Oxamyl
Synonyms: 1-(dimethylcarbamoyl)-n-((methylcarbamoyl)oxy)thio-formidicacimethyles;2-(dimethylamino)-n-(((methylamino)carbonyl)oxy)-2-oxoethanimidothioicacidm;N-Methylcarbamic acid [(dimethylcarbamoyl)(methylthio)methylene]amino;N-Methylcarbamic acid [(dimethylcarbamoyl)(methylthio)methylene]amino ester;dpx1410;dpx1410l;Du pont 1410;dupont1410
CAS: 23135-22-0
MF: C7H13N3O3S
MW: 219.26
EINECS: 245-445-3
Product Categories: OMore...Close...;Alpha sort;N-PPesticides&Metabolites;NematicidesAnalytical Standards;AcaricidesPesticides;Alphabetic;CarbamatesMethod Specific;Endocrine Disruptors (Draft)Pesticides&Metabolites;EPA;Insecticides;O;Pesticides;Pesticides&Metabolites
Mol File: 23135-22-0.mol
 
 
Oxamyl Chemical Properties
Melting point  100°C
density  0.9700
vapor pressure  5.1×10-5Pa (25 °C)
refractive index  1.6630 (estimate)
storage temp.  0-6°C
form  neat
pka 10.48±0.46(Predicted)
Water Solubility  28 g/100 mL
BRN  2212753
CAS DataBase Reference 23135-22-0(CAS DataBase Reference)
NIST Chemistry Reference Oxamyl(23135-22-0)
EPA Substance Registry System Oxamyl (23135-22-0)
 
Safety Information
Hazard Codes  T+;N,N,T+
Risk Statements  21-26/28-51/53
Safety Statements  36/37-45-61
RIDADR  UN 2811
WGK Germany  3
RTECS  RP2300000
HazardClass  6.1(a)
PackingGroup  I
Hazardous Substances Data 23135-22-0(Hazardous Substances Data)
Toxicity LD50 orally in rats: 5 mg/kg (Fahmy)
 
MSDS Information
 
 
Oxamyl Usage And Synthesis
Description Oxamyl, is also called N,N-dimethyl-2-methylcarbamoyloxyimino- 2-(methylthio)acetamide (IUPAC), consists of colorless crystals, which are readily soluble in water, methanol, ethanol, acetone, and fairly soluble in toluene. Oxamyl is produced by chlorination of the oxime of methylglycolate, reaction with methanethiol and alkali, and conversion to the carbamate with methyl isocyanate.
Uses Oxamyl is a pesticide used in the treatment and protection of crops from parasites and insects.
Uses Insecticide, nematocide, acaricide.
Uses Oxamyl is a broad spectrum systemic insecticide/nematicide. It exhibits both oral and contact toxicity to control both sucking and chewing insects and mites in a wide variety of row crops, fruits, vegetables and ornamentals.
Agricultural Uses Insecticide, Nematicide, Acaricide: A systemic and contact insecticide/acaricide and nematicide, oxamyl is a restricted use pesticide used on apples, bananas, carrots, celery, citrus, cotton, cucumbers, eggplants, garlic, ginger, muskmelon (including cantaloupe and honeydew melon), onion (dry bulb), peanuts, pears, peppers, peppermint, pineapples, plantains, potatoes, pumpkins, soybeans, spearmint, squash, sweet potatoes, tobacco, tomatoes, watermelons, yams. Oxamyl is also used on non-bearing apple, cherry, citrus, peach, pear, and tobacco. It is applied directly onto plants or the soilsurface. It is available in both liquid and granular form, but the granular form is banned in the U.S. It has no residential use. Registered for use in EU countries[115
Trade name BLADE®; D-1410®; DPX 1410®; INSECTICIDE-NEMACIDE 1410®; OXAMYL CARBAMATE INSECTICIDE®; THIOXAMYL®; VYDATE®; VYDATE® 10G; VYDATE L®; VYDATE INSECTICIDE/NEMATICIDE®; VYDATE OXAMYL INSECTICIDE/NEMATOCIDE®[C]
Safety Profile Poison by ingestion, skin contact, and inhalation. Experimental reproductive effects. Moderately toxic by skin contact. When heated to decomposition it emits very toxic fumes of NOx and SOx
Potential Exposure Oxamyl is a white crystalline solid. Sulfur or garlic-like odor. Molecular weight=219.3
Environmental Fate Soil. Oxamyl rapidly degraded in a loamy sand and fine sand soil at 25°C to carbon dioxide and the intermediate methyl N-hydroxy-N,N-dimethyl-1-thiooxaminidate (Rajagopol et al., 1984). The reported half-life in soil is approximately one week (Worthing and Hance, 1991). Ou and Rao (1986) reported a half-life in soil of 8-50 days. The reported half-lives of oxamyl in Pitstone, Devizes, Sutton Veany and Mepal soils at 15°C were reported to be 10.2-13.1, 6.2, 7.1 and 17.8 days, respectively (Bromilow et al., 1980). Smelt et al. (1987) reported that oxamyl degraded at a higher rate in field plots after repeated applications of this nematocide than in soils that received no treatment. The repeated applications of oxamyl to soils probably induced microbial activity, which resulted in the accelerated disappearance of this compound.
Harvey and Han (1978) reported a half-life of 8 days for oxamyl in soil.
Groundwater. According to the U.S. EPA (1986) oxamyl has a high potential to leach to groundwater.
Plant. Dislodgable residues of oxamyl on cotton leaf 0, 24, 48, 72 and 96 hours after application (0.41 kg/ha) were 1.5, 1.1, 1.2, 0.85 and 0.76 mg/m2, respectively (Buck et al., 1980).
Chemical/Physical. The hydrolysis half-lives of oxamyl in a sterile 1% ethanol/water solution at 25°C and pH values of 4.5, 6.0, 7.0 and 8.0, were 300, 17, 1.6 and 0.20 weeks, respectively (Chapman and Cole, 1982). Under alkaline conditions, oxam
Metabolic pathway Oxamyl degrades in soils, plants and animals following common metabolic pathways. Primary degradation reactions include the hydrolysis of the carbamate ester to yield the corresponding oxyimidothioate and nitrile. Other major metabolic reactions include N-demethylation and the hydration/oxidation of the nitriles to the corresponding amides and acids. The majority of the oxamyl metabolites are recovered as conjugates in plants and animals. No metabolites containing the oxidised thiomethyl group were observed. The primary degradation/metabolic pathways of oxamyl are presented in Scheme 1.
Shipping UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. UN2991 Carbamate pesticides, liquid, toxic, flammable, flash point <23°C, Hazard Class: 6.1; Labels: 6.1-Poisonous material, 3-Flammable liquid.
Degradation Oxamyl (1) was stable under acidic conditions but hydrolysed rapidly under basic conditions at 25 °C with DT50 values of >30 days at pH 5, 8 days at pH 7, and 3 hours at pH 9 (McNally and Wheeler, 1988). Cleavage of the methylcarbamoyl bond yielded methyl 2-( dimethylamino)- N-hydroxy-2-oxoethanimidothioate (2) as the primary hydrolysis product.
Exposure to artificial sunlight enhanced the degradation of oxamyl in pH 5 solution (DT50 7 vs. >30 days) to yield compound 2 (McNally, 1988). Rapid degradation of oxamyl was also observed in natural water exposed to natural sunlight (DT50 <1 day, Harvey and Han, 1978a). Compound 2 and its geometrical isomer (3) were major products observed in natural and distilled water exposed to artificial and natural sunlight. Further hydrolysis yielded (dimethy1amino)oxoacetica cid (4) as a minor photodegradation product in natural water exposed to natural sunlight.
Incompatibilities Compounds of the carboxyl group react with all bases, both inorganic and organic (i.e., amines) releasing substantial heat, water and a salt that may be harmful. Incompatible with arsenic compounds (releases hydrogen cyanide gas), diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides (releasing heat, toxic, and possibly flammable gases), thiosulfates and dithionites (releasing hydrogen sulfate and oxides of sulfur).
Waste Disposal Consult with environmental regulatory agencies for guidance on acceptable disposal 2264 Oxamyl practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. Small quantities may be treated with alkali and buried in a landfill. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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Plant Area
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