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carbamothioylthiourea

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Origin: China

Cas No: 541-53-7

Specification: 99%min

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 541-53-7 Formula: C2H5N3S2 Molecular Weight: 135.21100

    Description

    Dithiobiuret is an organosulfur compound with the formula HN(C(S)NH2)2. It is a colourless solid that is soluble in warm water and polar organic solvents. It is a planar molecule with short C-S and C-N distances (1.69, 1.38 Å, resp.) indicative of multiple C-S and C-N bonding.
    The compound can be viewed as the product from the condensation of two molecules of thiourea, but it is prepared by treatment of 2-cyanoguanidine with hydrogen sulfide. The conversion proceeds via guanylthiourea:
    NCNC(NH2) + H2S → HN(C(S)NH2)(C(NH)NH2)
    HN(C(S)NH2)(C(NH)NH2) + H2S → HN(C(S)NH2)2
    It is used as a plasticizer, a rubber accelerator, and as an intermediate in pesticide manufacturing. It is extremely toxic
    exposure can result in respiratory failure.

    Basic Info

    Chemical Name carbamothioylthiourea
    Synonyms

    Thioimidodicarbonic diamide;
    Imidodicarbonodithioic diamide;
    Dithioallophanimidic acid;
    2,4-dithiobiuret;
    Imidodicarbonimidothioic diamide;
    Dithiobiuret;
    Biuret,dithio;
    dithiobeulet;

    CAS No. 541-53-7
    Molecular Formula C2H5N3S2
    Molecular Weight 135.21100
    PSA 128.25000
    LogP 0.85470

    Properties

    Density 1.541g/cm3
    Boiling Point 272.1ºC at 760mmHg
    Melting Point 181-183ºC
    Flash Point 118.3ºC
    Refractive Index 1.51

    Safety Info

    RTECS EC1575000
    Hazard Class 6.1
    Safety Statements S22-S28-S36/37-S45
    Packing Group I
    WGK Germany 3
    RIDADR UN 2811
    Risk Statements R26/27/28
    Hazard Codes T+

    Synthesis Route

    1-PROPYLPIPERAZINE+3-dimethylamino-1,2,4-dithiazole-5-thione→carbamothioylthiourea
    3-dimethylamino-1,2,4-dithiazole-5-thione+N,N,N‘-Trimethylethylenediamine→carbamothioylthiourea
    →carbamothioylthiourea

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Oral LD50 - Lethal dose, 50 percent kill Rodent - rat 5 mg/kg 1.Details of toxic effects not reported other than lethal dose value
    Intraperitoneal LD50 - Lethal dose, 50 percent kill Rodent - rat 29 mg/kg 1.Sense Organs and Special Senses (Eye)-chromodacryorrhea
    2.Behavioral-changes in motor activity (specific assay)
    3.Nutritional and Gross Metabolic-weight loss or decreased weight gain
    Intraperitoneal TDLo - Lowest published toxic dose Rodent - rat 7 mg/kg/7D-I 1.Behavioral-altered sleep time (including change in righting reflex)
    2.Behavioral-muscle weakness
    3.Related to Chronic Data-death

    Precursor

    sodium,dicyanoazanide
    1-PROPYLPIPERAZINE
    3-dimethylamino-1,2,4-dithiazole-5-thione
    N,N,N‘-Trimethylethylenediamine

    Downstream Product

    (4-methyl-1,3-thiazol-2-yl)thiourea
    3-h-1,2,4-Dithiazol-5-amine, 3-imino-, monohydrochloride
    1-[4-(4-Nitrophenyl)thiazol-2-yl]thiourea
    (4-phenyl-1,3-thiazol-2-yl)thiourea

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