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diuron

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Origin: China

Cas No: 330-54-1

Specification: 99%min

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 330-54-1 Formula: C9H10Cl2N2O Molecular Weight: 233.09400

    Description

    DCMU (3-(3,4-dichlorophenyl)-1,1-dimethylurea) is a herbicide that inhibits photosynthesis. It was introduced by Bayer in 1954 under the trade name of Diuron.

    Basic Info

    Chemical Name diuron
    Synonyms

    3-(3,4-dichlorophenyl)-1,1-dimethylurea;
    dichlorfenidim;
    Urea, N‘-(3,4-dichlorophenyl)-N,N-dimethyl-;
    N’-(3,4-dichlorophenyl)-N,N-dimethylurea;
    3-(3,4-DICHLORO-PHENYL)-1,1-DIMETHYL-UREA;
    Diuron;
    N-(3,4-Dichlorophenyl)-N,N-Dimethylurea;

    CAS No. 330-54-1
    Molecular Formula C9H10Cl2N2O
    Molecular Weight 233.09400
    PSA 32.34000
    LogP 3.15990

    Properties

    Appearance & Physical State white crystalline solid
    Density 1.369 g/cm3
    Boiling Point 385.2ºC at 760 mmHg
    Melting Point 158-159ºC
    Flash Point 186.7ºC
    Refractive Index 1.605
    Stability Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.
    Storage Condition APPROX 4ºC

    Safety Info

    RTECS YS8925000
    Hazard Class 9
    Safety Statements S13; S22; S23; S37; S46; S60; S61; S2; S36/37; S26
    HS Code 2924299032
    Packing Group III
    WGK Germany 3
    RIDADR UN 2767
    Risk Statements R22; R40; R48/22; R50/53
    Hazard Codes O; C

    Synthesis Route

    3,4-Dichloroaniline+Dimethylcarbamoyl chloride→diuron
    Ethyl (3,4-dichlorophenyl)carbamate+Dimethylamine→diuron
    diuron-desdimethyl+Dimethylamine→diuron

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Oral LD50 - Lethal dose, 50 percent kill Rodent - rat 1017 mg/kg 1.Behavioral-general anesthetic
    2.Behavioral-ataxia
    Administration onto the skin LD50 - Lethal dose, 50 percent kill Rodent - rat >5 gm/kg 1.Details of toxic effects not reported other than lethal dose value
    Unreported LD50 - Lethal dose, 50 percent kill Rodent - rat 3400 mg/kg 1.Details of toxic effects not reported other than lethal dose value

    Precursor

    3,4-Dichloroaniline
    Ethyl (3,4-dichlorophenyl)carbamate
    Dimethylamine
    Dimethylcarbamoyl chloride

    Downstream Product

    diuron-desmethyl
    N-(4-chloro-3-hydroxyphenyl)-N',N'-dimethylurea
    N-[(3,4-dichlorophenyl)carbamoyl]-N-methylformamide
    2,3,7,8-Tetrachlorodibenzofuran

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