Disul

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  • Identifiers

    CAS number
    149-26-8

    Molecular formula
    C8H8Cl2O5S

    SMILES
    C1=CC(=C(C=C1Cl)Cl)OCCOS(=O)(=O)O

    Safety labels

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 77.45%
    Savory 23.8%
    Cooked 20.88%
    Meaty 19.23%
    Roasted 17.23%
    Milky 15.59%
    Clean 14.76%
    Bitter 13.91%
    Sulfurous 13.42%
    Burnt 12.98%

     

    Flavor
    Bitter 80.57%
    Odorless 40.14%
    Bland 29.4%
    Mild 27.16%
    Sweet-like 20.51%
    Nitrile 20.05%
    Cedarleaf 19.12%
    Very mild 18.9%
    Orange flower 18.78%
    Roasted peanuts 18.68%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.6

    pKa est.
    7.89 (neutral)

    Molecular weight
    287.12 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    422°C

    Flash point

    • 194.57 ˚C est.

  • Synonyms

    • Disul
    • 149-26-8
    • 2-(2,4-Dichlorophenoxy)ethyl hydrogen sulfate
    • Disul [ISO]
    • Caswell No. 318
    • 2,4-DES
    • FYG80OXZ0L
    • 2,4-DES [BSI]
    • DTXSID3041297
    • 2-(2,4-Dichlorophenoxy)ethanol hydrogen sulfate
    • Ethanol, 2-(2,4-dichlorophenoxy)-, hydrogen sulfate
    • 2-(2,4-dichlorophenoxy)ethyl sulfate
    • UNII-FYG80OXZ0L
    • SESONE (TM)
    • NCIOpen2_008074
    • NCIOpen2_008153
    • NCIOpen2_008182
    • SCHEMBL134184
    • DTXCID1021297
    • CHEBI:82196
    • HJEINPVZRDJRBY-UHFFFAOYSA-N
    • NS00024886
    • C19071
    • Q27155799

  • Applications

    Disul (CAS 149-26-8) is primarily used as an organic synthesis intermediate for building sulfur-containing compounds; it may function as a solvent or processing aid in industrial manufacturing; it is often employed as a stabilizer or antioxidant in polymers and coatings; it can serve as a reactive intermediate or crosslinking component in coatings, inks, and adhesives; it is also evaluated for metal finishing and cleaning formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 20.07
    methanol 25.78
    isopropanol 13.06
    water 0.25
    ethyl acetate 37.59
    n-propanol 13.83
    acetone 132.92
    n-butanol 9.66
    acetonitrile 29.89
    DMF 526.38
    toluene 2.71
    isobutanol 8.06
    1,4-dioxane 75.71
    methyl acetate 58.87
    THF 170.48
    2-butanone 74.52
    n-pentanol 10.64
    sec-butanol 15.38
    n-hexane 0.24
    ethylene glycol 11.18
    NMP 312.62
    cyclohexane 0.42
    DMSO 340.31
    n-butyl acetate 31.45
    n-octanol 5.84
    chloroform 11.06
    n-propyl acetate 39.25
    acetic acid 34.37
    dichloromethane 18.88
    cyclohexanone 61.6
    propylene glycol 8.46
    isopropyl acetate 29.64
    DMAc 499.57
    2-ethoxyethanol 96.75
    isopentanol 9.52
    n-heptane 0.82
    ethyl formate 31.33
    1,2-dichloroethane 19.31
    n-hexanol 8.66
    2-methoxyethanol 144.29
    isobutyl acetate 14.66
    tetrachloromethane 0.57
    n-pentyl acetate 19.1
    transcutol 154.32
    n-heptanol 6.73
    ethylbenzene 2.77
    MIBK 26.43
    2-propoxyethanol 63.14
    tert-butanol 20.01
    MTBE 27.5
    2-butoxyethanol 29.85
    propionic acid 16.59
    o-xylene 4.04
    formic acid 32.81
    diethyl ether 22.3
    m-xylene 2.71
    p-xylene 4.3
    chlorobenzene 4.94
    dimethyl carbonate 50.2
    n-octane 0.38
    formamide 114.91
    cyclopentanone 126.89
    2-pentanone 48.78
    anisole 36.61
    cyclopentyl methyl ether 34.01
    gamma-butyrolactone 134.47
    1-methoxy-2-propanol 88.62
    pyridine 37.6
    3-pentanone 40.64
    furfural 120.05
    n-dodecane 0.37
    diethylene glycol 62.36
    diisopropyl ether 5.31
    tert-amyl alcohol 23.77
    acetylacetone 115.1
    n-hexadecane 0.43
    acetophenone 48.87
    methyl propionate 51.36
    isopentyl acetate 24.67
    trichloroethylene 40.86
    n-nonanol 6.23
    cyclohexanol 9.26
    benzyl alcohol 23.9
    2-ethylhexanol 7.39
    isooctanol 5.78
    dipropyl ether 18.56
    1,2-dichlorobenzene 6.95
    ethyl lactate 29.04
    propylene carbonate 49.54
    n-methylformamide 113.92
    2-pentanol 8.06
    n-pentane 0.26
    1-propoxy-2-propanol 45.0
    1-methoxy-2-propyl acetate 61.38
    2-(2-methoxypropoxy) propanol 58.69
    mesitylene 2.23
    ε-caprolactone 58.62
    p-cymene 4.86
    epichlorohydrin 117.25
    1,1,1-trichloroethane 6.57
    2-aminoethanol 17.86
    morpholine-4-carbaldehyde 273.98
    sulfolane 177.82
    2,2,4-trimethylpentane 0.35
    2-methyltetrahydrofuran 63.95
    n-hexyl acetate 18.83
    isooctane 0.17
    2-(2-butoxyethoxy)ethanol 55.63
    sec-butyl acetate 21.94
    tert-butyl acetate 42.0
    decalin 0.39
    glycerin 26.85
    diglyme 138.03
    acrylic acid 20.01
    isopropyl myristate 10.96
    n-butyric acid 19.04
    acetyl acetate 31.06
    di(2-ethylhexyl) phthalate 13.88
    ethyl propionate 33.26
    nitromethane 196.49
    1,2-diethoxyethane 52.36
    benzonitrile 18.16
    trioctyl phosphate 8.23
    1-bromopropane 5.68
    gamma-valerolactone 194.9
    n-decanol 5.2
    triethyl phosphate 20.66
    4-methyl-2-pentanol 5.05
    propionitrile 16.18
    vinylene carbonate 40.53
    1,1,2-trichlorotrifluoroethane 81.53
    DMS 36.53
    cumene 2.64
    2-octanol 5.16
    2-hexanone 41.74
    octyl acetate 13.9
    limonene 7.49
    1,2-dimethoxyethane 221.79
    ethyl orthosilicate 17.83
    tributyl phosphate 11.32
    diacetone alcohol 58.84
    N,N-dimethylaniline 32.02
    acrylonitrile 28.63
    aniline 11.79
    1,3-propanediol 22.99
    bromobenzene 3.55
    dibromomethane 7.78
    1,1,2,2-tetrachloroethane 31.01
    2-methyl-cyclohexyl acetate 27.17
    tetrabutyl urea 25.38
    diisobutyl methanol 5.37
    2-phenylethanol 20.92
    styrene 4.25
    dioctyl adipate 22.87
    dimethyl sulfate 126.39
    ethyl butyrate 33.32
    methyl lactate 47.54
    butyl lactate 22.0
    diethyl carbonate 24.5
    propanediol butyl ether 27.32
    triethyl orthoformate 28.35
    p-tert-butyltoluene 4.96
    methyl 4-tert-butylbenzoate 38.87
    morpholine 99.03
    tert-butylamine 7.16
    n-dodecanol 4.21
    dimethoxymethane 195.94
    ethylene carbonate 28.43
    cyrene 76.64
    2-ethoxyethyl acetate 43.61
    2-ethylhexyl acetate 19.18
    1,2,4-trichlorobenzene 12.5
    4-methylpyridine 36.07
    dibutyl ether 10.87
    2,6-dimethyl-4-heptanol 5.37
    DEF 106.34
    dimethyl isosorbide 109.73
    tetrachloroethylene 13.36
    eugenol 42.56
    triacetin 46.12
    span 80 30.92
    1,4-butanediol 11.94
    1,1-dichloroethane 8.71
    2-methyl-1-pentanol 9.96
    methyl formate 99.35
    2-methyl-1-butanol 9.98
    n-decane 0.59
    butyronitrile 12.8
    3,7-dimethyl-1-octanol 6.79
    1-chlorooctane 2.93
    1-chlorotetradecane 1.49
    n-nonane 0.52
    undecane 0.46
    tert-butylcyclohexane 0.34
    cyclooctane 0.21
    cyclopentanol 16.23
    tetrahydropyran 27.9
    tert-amyl methyl ether 27.45
    2,5,8-trioxanonane 108.47
    1-hexene 1.67
    2-isopropoxyethanol 51.44
    2,2,2-trifluoroethanol 23.12
    methyl butyrate 47.97

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction