Disul-sodium

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  • Identifiers

    CAS number
    136-78-7

    Molecular formula
    C8H7Cl2NaO5S

    SMILES
    C1=CC(=C(C=C1Cl)Cl)OCCOS(=O)(=O)[O-].[Na+]

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Fragrance
    Odorless 78.41%
    Savory 23.45%
    Cooked 19.94%
    Meaty 16.97%
    Milky 16.03%
    Roasted 15.33%
    Clean 14.61%
    Bitter 14.09%
    Cooling 12.75%
    Animal 12.55%

     

    Flavor
    Bitter 79.03%
    Odorless 40.93%
    Bland 29.01%
    Mild 26.6%
    Sweet-like 20.37%
    Nitrile 20.07%
    Orange flower 19.14%
    Cedarleaf 18.91%
    Very mild 18.74%
    Roasted peanuts 18.72%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    5.36 (weak acid)

    Molecular weight
    309.1 g/mol

    Melting point expt.

    • 473 °F (Decomposes) (NIOSH, 2024)
    • 245 °C DECOMP
    • 473 °F (decomposes)
    • 473 °F (Decomposes)

    Boiling point

    • Decomposes (NIOSH, 2024)
    • decomposes
    • Decomposes

    Flash point

    • 178.05 ˚C est.

    Solubility expt.

    • 26 % at 77 °F (NIOSH, 2024)
    • SOLUBILITY IN HARD WATER CONTAINING 260 PPM CALCIUM CARBONATE: 4%
    • SOLUBILITY IN WATER: 25.5% @ 25 °C; INSOL IN MOST ORG SOLVENTS EXCEPT METHANOL
    • VERY SOL IN BENZENE; SLIGHTLY SOL IN ACETONE
    • In water, 2.5X10+5 mg/l at 25 °C
    • Solubility in water, g/100ml at 25 °C: 25 (good)
    • (77 °F): 26%

  • Synonyms

    • Sesone
    • Disul-sodium
    • Crag herbicide
    • 136-78-7
    • Disul-Na
    • Disul-sodium [ISO]
    • Caswell No. 319
    • HSDB 2522
    • EINECS 205-259-5
    • SODIUM 2,4-DICHLOROPHENOXYETHYL SULFATE
    • Disul, Sodium Salt
    • EPA Pesticide Chemical Code 030602
    • 2,4-Dichlorophenoxyethyl hydrogen sulfate sodium salt
    • UNII-79H45L1710
    • CRAG HERBICIDE-1
    • 2-(2,4-Dichlorophenoxy)ethyl sulfate sodium salt
    • DISUL-SODIUM [MI]
    • DISUL-SODIUM [HSDB]
    • 2-(2,4-Dichlorophenoxy)ethanol hydrogen sulfate sodium salt
    • DTXSID0042377
    • Ethanol, 2-(2,4-dichlorophenoxy)-, hydrogen sulfate, sodium salt
    • 79H45L1710
    • sodium;2-(2,4-dichlorophenoxy)ethyl sulfate
    • Crag herbicide I
    • Crag herbicide 1
    • Ses-T
    • 2,4-Des sodium
    • Experimental herbicide I
    • Experimental herbicide 1
    • Herbon 2,4-des-sodium
    • 2,4-Des-Na
    • ETHANOL, 2-(2,4-DICHLOROPHENOXY)-, 1-(HYDROGEN SULFATE), SODIUM SALT (1:1)
    • 2,4-Des-natrium [German]
    • 2,4-Des-natrium
    • Crag herbicide Sesone
    • Crag herbicide, Sesone
    • Disulsodium
    • Sodium 2,4-dichlorophenoxyethyl sulphate
    • DisulNa
    • Sodium 2,4-dichlorophenyl cellosolve sulfate
    • Sodium 2-(2,4-dichlorophenoxy)ethyl sulfate
    • 2,4-Dichlorophenoxyethyl sulfate, sodium salt
    • Natrium-2,4-dichlorphenoxyathylsulfat [German]
    • 2,4Desnatrium
    • 2-(2,4-Dichlorfenoxy)ethylsiran sodny [Czech]
    • 2,4Des sodium
    • Natrium-2,4-dichlorphenoxyathylsulfat
    • Herbon 2,4dessodium
    • 2-(2,4-Dichlorfenoxy)ethylsiran sodny
    • 2,4DesNa
    • Crag herbicide (OSHA)
    • SES (HERBICIDE)
    • Sesone (ACGIH:OSHA)
    • SCHEMBL162917
    • CRAG HERBICIDE (SESONE)
    • SESONE (CRAG HERBICIDE)
    • DTXCID8022377
    • KISFEBPWFCGRGN-UHFFFAOYSA-M
    • Natrium2,4dichlorphenoxyathylsulfat
    • 2(2,4Dichlorfenoxy)ethylsiran sodny
    • Sodium 2,4-dichlorophenoxyethylsulfate
    • Sodium 2,4dichlorophenoxyethyl sulfate
    • Sodium 2,4dichlorophenoxyethyl sulphate
    • Sodium 2(2,4dichlorophenoxy)ethyl sulfate
    • Sodium 2,4dichlorophenyl cellosolve sulfate
    • 2,4Dichlorophenoxyethyl sulfate, sodium salt
    • 2(2,4Dichlorophenoxy)ethyl sulfate sodium salt
    • 2,4Dichlorophenoxyethyl hydrogen sulfate sodium salt
    • Q20972162
    • 2(2,4Dichlorophenoxy)ethanol hydrogen sulfate sodium salt
    • 2-(2,4-Dichlorophenoxy)ethyl hydrogen sulphate sodium salt
    • Ethanol, 2-(2,4-dichlorophenoxy), hydrogen sulfate, sodium salt
    • 205-259-5

  • Applications

    Disul-sodium (CAS 136-78-7) may be used as an intermediate in chemical synthesis, may function as a reducing agent in industrial processes, may serve as a component in cleaning formulations and industrial water treatment, may act as a processing aid or additive in polymers and plastics, and may be evaluated for coatings/inks as a surface-treatment or reducing-agent additive.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 13.16
    methanol 16.46
    isopropanol 7.97
    water 0.08
    ethyl acetate 70.39
    n-propanol 9.73
    acetone 167.97
    n-butanol 7.32
    acetonitrile 60.22
    DMF 545.21
    toluene 9.56
    isobutanol 5.96
    1,4-dioxane 119.27
    methyl acetate 109.36
    THF 201.37
    2-butanone 119.03
    n-pentanol 8.79
    sec-butanol 12.48
    n-hexane 0.36
    ethylene glycol 6.72
    NMP 426.59
    cyclohexane 0.81
    DMSO 329.55
    n-butyl acetate 51.43
    n-octanol 5.66
    chloroform 43.39
    n-propyl acetate 64.69
    acetic acid 37.83
    dichloromethane 71.37
    cyclohexanone 95.2
    propylene glycol 5.38
    isopropyl acetate 49.54
    DMAc 573.07
    2-ethoxyethanol 83.45
    isopentanol 7.38
    n-heptane 1.12
    ethyl formate 43.75
    1,2-dichloroethane 53.97
    n-hexanol 8.98
    2-methoxyethanol 113.35
    isobutyl acetate 23.12
    tetrachloromethane 1.74
    n-pentyl acetate 27.46
    transcutol 184.82
    n-heptanol 6.25
    ethylbenzene 7.81
    MIBK 34.69
    2-propoxyethanol 62.23
    tert-butanol 14.66
    MTBE 39.83
    2-butoxyethanol 29.05
    propionic acid 20.21
    o-xylene 11.16
    formic acid 26.04
    diethyl ether 35.41
    m-xylene 6.92
    p-xylene 11.21
    chlorobenzene 17.41
    dimethyl carbonate 78.88
    n-octane 0.47
    formamide 109.62
    cyclopentanone 192.95
    2-pentanone 69.77
    anisole 78.18
    cyclopentyl methyl ether 54.03
    gamma-butyrolactone 205.86
    1-methoxy-2-propanol 68.76
    pyridine 85.78
    3-pentanone 69.3
    furfural 198.54
    n-dodecane 0.48
    diethylene glycol 53.43
    diisopropyl ether 9.07
    tert-amyl alcohol 21.73
    acetylacetone 186.06
    n-hexadecane 0.57
    acetophenone 95.19
    methyl propionate 86.08
    isopentyl acetate 36.89
    trichloroethylene 139.01
    n-nonanol 6.24
    cyclohexanol 10.39
    benzyl alcohol 34.59
    2-ethylhexanol 8.77
    isooctanol 5.55
    dipropyl ether 25.52
    1,2-dichlorobenzene 23.59
    ethyl lactate 35.76
    propylene carbonate 75.65
    n-methylformamide 124.04
    2-pentanol 6.82
    n-pentane 0.39
    1-propoxy-2-propanol 45.94
    1-methoxy-2-propyl acetate 92.48
    2-(2-methoxypropoxy) propanol 67.54
    mesitylene 4.81
    ε-caprolactone 92.71
    p-cymene 9.47
    epichlorohydrin 203.31
    1,1,1-trichloroethane 22.65
    2-aminoethanol 10.92
    morpholine-4-carbaldehyde 357.16
    sulfolane 251.5
    2,2,4-trimethylpentane 0.56
    2-methyltetrahydrofuran 98.44
    n-hexyl acetate 26.84
    isooctane 0.25
    2-(2-butoxyethoxy)ethanol 58.39
    sec-butyl acetate 38.77
    tert-butyl acetate 66.58
    decalin 0.77
    glycerin 16.85
    diglyme 169.32
    acrylic acid 26.41
    isopropyl myristate 15.05
    n-butyric acid 21.54
    acetyl acetate 62.51
    di(2-ethylhexyl) phthalate 18.21
    ethyl propionate 60.52
    nitromethane 306.21
    1,2-diethoxyethane 72.53
    benzonitrile 39.67
    trioctyl phosphate 9.79
    1-bromopropane 14.18
    gamma-valerolactone 276.12
    n-decanol 5.21
    triethyl phosphate 32.02
    4-methyl-2-pentanol 4.64
    propionitrile 27.63
    vinylene carbonate 67.2
    1,1,2-trichlorotrifluoroethane 124.59
    DMS 68.93
    cumene 5.49
    2-octanol 4.98
    2-hexanone 60.1
    octyl acetate 18.83
    limonene 14.14
    1,2-dimethoxyethane 241.43
    ethyl orthosilicate 26.21
    tributyl phosphate 15.09
    diacetone alcohol 66.91
    N,N-dimethylaniline 54.29
    acrylonitrile 55.6
    aniline 23.09
    1,3-propanediol 14.39
    bromobenzene 15.83
    dibromomethane 26.7
    1,1,2,2-tetrachloroethane 85.96
    2-methyl-cyclohexyl acetate 43.14
    tetrabutyl urea 30.58
    diisobutyl methanol 6.49
    2-phenylethanol 31.01
    styrene 13.32
    dioctyl adipate 33.29
    dimethyl sulfate 186.36
    ethyl butyrate 53.39
    methyl lactate 53.85
    butyl lactate 24.87
    diethyl carbonate 40.29
    propanediol butyl ether 23.76
    triethyl orthoformate 41.3
    p-tert-butyltoluene 9.41
    methyl 4-tert-butylbenzoate 53.99
    morpholine 126.97
    tert-butylamine 6.44
    n-dodecanol 4.36
    dimethoxymethane 216.94
    ethylene carbonate 45.5
    cyrene 95.81
    2-ethoxyethyl acetate 69.71
    2-ethylhexyl acetate 31.67
    1,2,4-trichlorobenzene 38.64
    4-methylpyridine 81.85
    dibutyl ether 14.21
    2,6-dimethyl-4-heptanol 6.49
    DEF 152.03
    dimethyl isosorbide 142.98
    tetrachloroethylene 38.72
    eugenol 55.39
    triacetin 72.68
    span 80 34.34
    1,4-butanediol 8.09
    1,1-dichloroethane 26.29
    2-methyl-1-pentanol 9.64
    methyl formate 119.51
    2-methyl-1-butanol 8.51
    n-decane 0.74
    butyronitrile 18.75
    3,7-dimethyl-1-octanol 7.26
    1-chlorooctane 4.08
    1-chlorotetradecane 2.16
    n-nonane 0.65
    undecane 0.58
    tert-butylcyclohexane 0.6
    cyclooctane 0.36
    cyclopentanol 15.87
    tetrahydropyran 46.86
    tert-amyl methyl ether 41.96
    2,5,8-trioxanonane 131.17
    1-hexene 2.95
    2-isopropoxyethanol 49.18
    2,2,2-trifluoroethanol 26.34
    methyl butyrate 78.24

    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