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dimethoate

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Origin: China

Cas No: 60-51-5

Specification: 99%min

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 60-51-5 Formula: C5H12NO3PS2 Molecular Weight: 229.25700

    Description

    Dimethoate is a widely used organophosphate insecticide and acaricide. It was patented and introduced in the 1950s by American Cyanamid. Like other organophosphates, dimethoate is an acetylcholinesterase inhibitor which disables cholinesterase, an enzyme essential for central nervous system function. It acts both by contact and through ingestion. It is readily absorbed and distributed throughout plant tissues, but is degraded relatively rapidly.

    Basic Info

    Chemical Name dimethoate
    Synonyms

    FIP;
    phosphamide;
    BI 58;
    CYGON;
    L 395;
    O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] phosphorodithioate;
    Dimethoate;
    2-dimethoxyphosphinothioylthio-N-methylacetamide;
    Aadimethoal;
    ROGOR;
    Lurgo;
    CHAMP;
    Tara;
    oms94;
    O,O-dimethyl S-methylcarbamoylmethyl phosphorodithioate;
    O,O-Dimethyl S-methylcarbomoylmethyl phosphorodithioate;

    CAS No. 60-51-5
    Molecular Formula C5H12NO3PS2
    Molecular Weight 229.25700
    PSA 114.76000
    LogP 2.02440

    Properties

    Appearance & Physical State white crystalline solid
    Density 1.281
    Boiling Point 107ºC (0.05 torr)
    Melting Point 52-52.5ºC
    Flash Point 107ºC
    Refractive Index 1.532
    Water Solubility Slightly soluble. 2.5 g/100 mL
    Storage Condition 0-6°C

    Safety Info

    RTECS TE1750000
    Hazard Class 6.1(b)
    Safety Statements S2-S36/37
    HS Code 2930909063
    Packing Group III
    RIDADR UN 2783
    Risk Statements R21/22
    Hazard Codes Xn

    Synthesis Route

    METHYLAMINE→dimethoate
    2-Chloro-N-methylacetamide+o,o-Dimethyl dithiophosphate potassium salt Potassium o,o'-dimethyl dithiophosphate→dimethoate
    2-BROMO-N-METHYLACETAMIDE+o,o-Dimethyl dithiophosphate potassium salt Potassium o,o'-dimethyl dithiophosphate→dimethoate

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Oral TDLo - Lowest published toxic dose Human - man 286 mg/kg 1.Peripheral Nerve and Sensation-fasciculations
    2.Behavioral-coma
    3.Lungs, Thorax, or Respiration-dyspnea
    Oral LD50 - Lethal dose, 50 percent kill Human 30 mg/kg 1.Details of toxic effects not reported other than lethal dose value
    Oral TDLo - Lowest published toxic dose Human - man 300 mg/kg 1.Behavioral-coma
    2.Cardiac-pulse rate
    3.Vascular-BP lowering not characterized in autonomic section

    Precursor

    2-BROMO-N-METHYLACETAMIDE
    Methyl [(dimethoxyphosphinothioyl)thio]acetate
    2-Chloro-N-methylacetamide
    METHYLAMINE

    Downstream Product

    0,0-Dimethyl Thiophosphate
    N-(METHYL)MERCAPTOACETAMIDE
    2-dimethoxyphosphinothioylsulfanyl-N-methyl-N-nitrosoacetamide
    1,2,3,4,6,7,8,9-OCTACHLORODIBENZO-P-DIOXIN

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