亚虎老虎机国际平台_亚虎新版官方网app下载_亚虎APP
  • NOMENCLATURE
  • CONTROL OBJECT
  • PHYSICAL CHEMISTRY
  • APPLICATIONS
  • PRODUCT INFORMATION
  • NOMENCLATURE
    Common name 亚虎老虎机国际平台_亚虎新版官方网app下载_亚虎APP
    IUPAC name tetramethylthiuram disulfide; bis(dimethylthiocarbamoyl) disulfide
    Chemical Abstracts name tetramethylthioperoxydicarbonic diamide
    CAS RN 137-26-8
    EEC no.
    CONTROL OBJECT
    Crop
    Control object
    PHYSICAL CHEMISTRY

    Mol. wt. 240.4 

    M.f. C6H12N2S4 

    Form Colourless crystals. 

    M.p. 155-156 ºC  

    V.p. 2.3 mPa (25 ºC) 

    KOW logP = 1.73 

    Henry 3.3×10-2 Pa m3 mol-1

    S.g./density 1.29 (20 ºC) 

    Solubility In water 18 mg/l (room temperature). In ethanol <10, acetone 80, chloroform 230 (all in g/l, room temperature). In hexane 0.04, dichloromethane 170, toluene 18, isopropanol 0.7 (all in g/l, 20 ºC). 

    Stability Decomposed in acidic media. Some deterioration on prolonged exposure to heat, air or moisture. DT50 (est.) (22 ºC) 128 d (pH 4), 18 d (pH 7), 9 h (pH 9).

    APPLICATIONGS
    Biochemistry
    Basic contact fungicide with protective action. Mode of action
    Protective fungicide applied to foliage to control: Botrytis spp. on grapes, soft fruit, lettuce, vegetables and ornamentals; rust on ornamentals; scab and storage diseases on apples and pears; leaf curl and Monilia on stone fruit. Used in seed treatments alone or in combination with added insecticides or fungicides to control damping-off diseases (e.g. Pythium spp.), and other diseases like Fusarium spp. of maize, cotton, cereals, legumes, vegetables and ornamentals. Also used as a bird repellent. Uses
    PRODUCT INFORMATION
    Standard of technical material
    Testing itemsStandard(w/w)
    Content
    Loss of drying
    Water
    Formulation type
    content
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    Typical application rates