Ethyl methyl disulfide

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  • Identifiers

    CAS number
    20333-39-5

    Molecular formula
    C3H8S2

    SMILES
    CCSSC

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Sulfurous 89.72%
    Onion 82.31%
    Garlic 77.02%
    Alliaceous 74.37%
    Vegetable 66.53%
    Green 58.36%
    Savory 54.82%
    Meaty 49.75%
    Cooked 48.69%
    Cabbage 46.71%

    Scent© AI

  • Properties

    XLogP3-AA
    1.3

    pKa est.
    7.82 (neutral)

    Molecular weight
    108.23 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point

    • 137.00 °C. @ 760.00 mm Hg

    Flash point est.
    25.07 ˚C

    Solubility expt.

    • Soluble in non-polar solvents; Insoluble in water
    • Soluble (in ethanol)

  • Synonyms

    • Ethyl methyl disulfide
    • 20333-39-5
    • Methyl ethyl disulfide
    • (methyldisulfanyl)ethane
    • Disulfide, ethyl methyl
    • Methyl ethyl disulphide
    • 2,3-Dithiapentane
    • ethyl methyl disulphide
    • Ethanesulfenothioic acid, methyl ester
    • UNII-13370B0F26
    • 1-(Methyldisulfanyl)ethane
    • 13370B0F26
    • DTXSID1074701
    • FEMA NO. 4040
    • Disulfide, ethyl methyl (6CI,7CI,8CI,9CI)
    • ETHYL METHYL DISULFIDE [FHFI]
    • (Methyldisulphanyl)ethane
    • SCHEMBL83094
    • 1-(Methyldisulfanyl)ethane #
    • DTXCID0036263
    • AKOS006276326
    • FE35676
    • NS00021823
    • E80344
    • A814461
    • Q27251469
    • 606-526-2

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 323.55
    methanol 256.39
    isopropanol 232.74
    water 0.34
    ethyl acetate 966.12
    n-propanol 299.66
    acetone 777.76
    n-butanol 352.72
    acetonitrile 623.52
    DMF 612.77
    toluene 782.08
    isobutanol 205.89
    1,4-dioxane 1654.36
    methyl acetate 680.64
    THF 1913.66
    2-butanone 756.56
    n-pentanol 230.74
    sec-butanol 269.93
    n-hexane 146.06
    ethylene glycol 45.45
    NMP 1047.84
    cyclohexane 526.93
    DMSO 775.78
    n-butyl acetate 1270.15
    n-octanol 244.97
    chloroform 2214.0
    n-propyl acetate 538.54
    acetic acid 427.84
    dichloromethane 1732.72
    cyclohexanone 1734.91
    propylene glycol 66.63
    isopropyl acetate 519.53
    DMAc 488.76
    2-ethoxyethanol 349.92
    isopentanol 269.71
    n-heptane 352.48
    ethyl formate 510.26
    1,2-dichloroethane 1033.12
    n-hexanol 473.66
    2-methoxyethanol 504.82
    isobutyl acetate 307.87
    tetrachloromethane 652.25
    n-pentyl acetate 621.33
    transcutol 1460.6
    n-heptanol 235.12
    ethylbenzene 261.19
    MIBK 409.75
    2-propoxyethanol 631.8
    tert-butanol 323.62
    MTBE 498.18
    2-butoxyethanol 368.08
    propionic acid 357.62
    o-xylene 388.96
    formic acid 95.97
    diethyl ether 882.73
    m-xylene 395.82
    p-xylene 316.62
    chlorobenzene 1029.28
    dimethyl carbonate 206.17
    n-octane 108.06
    formamide 165.66
    cyclopentanone 1560.44
    2-pentanone 785.42
    anisole 557.04
    cyclopentyl methyl ether 1040.77
    gamma-butyrolactone 1502.88
    1-methoxy-2-propanol 397.49
    pyridine 1565.19
    3-pentanone 655.22
    furfural 1494.59
    n-dodecane 58.8
    diethylene glycol 294.8
    diisopropyl ether 292.73
    tert-amyl alcohol 324.86
    acetylacetone 831.61
    n-hexadecane 69.77
    acetophenone 471.04
    methyl propionate 545.46
    isopentyl acetate 816.36
    trichloroethylene 2189.58
    n-nonanol 223.82
    cyclohexanol 566.7
    benzyl alcohol 304.35
    2-ethylhexanol 411.52
    isooctanol 191.47
    dipropyl ether 901.81
    1,2-dichlorobenzene 857.08
    ethyl lactate 168.51
    propylene carbonate 839.46
    n-methylformamide 331.72
    2-pentanol 267.15
    n-pentane 162.11
    1-propoxy-2-propanol 627.19
    1-methoxy-2-propyl acetate 808.51
    2-(2-methoxypropoxy) propanol 349.36
    mesitylene 280.17
    ε-caprolactone 1364.18
    p-cymene 336.93
    epichlorohydrin 1383.45
    1,1,1-trichloroethane 1430.34
    2-aminoethanol 105.54
    morpholine-4-carbaldehyde 1197.5
    sulfolane 1374.58
    2,2,4-trimethylpentane 73.94
    2-methyltetrahydrofuran 1476.37
    n-hexyl acetate 599.18
    isooctane 66.45
    2-(2-butoxyethoxy)ethanol 504.03
    sec-butyl acetate 354.67
    tert-butyl acetate 594.52
    decalin 151.89
    glycerin 109.63
    diglyme 1039.72
    acrylic acid 300.21
    isopropyl myristate 289.36
    n-butyric acid 655.16
    acetyl acetate 638.07
    di(2-ethylhexyl) phthalate 204.95
    ethyl propionate 435.07
    nitromethane 885.1
    1,2-diethoxyethane 1115.57
    benzonitrile 722.96
    trioctyl phosphate 164.22
    1-bromopropane 763.28
    gamma-valerolactone 1801.74
    n-decanol 167.16
    triethyl phosphate 331.9
    4-methyl-2-pentanol 157.57
    propionitrile 523.57
    vinylene carbonate 869.4
    1,1,2-trichlorotrifluoroethane 777.15
    DMS 438.51
    cumene 164.65
    2-octanol 188.16
    2-hexanone 507.25
    octyl acetate 334.78
    limonene 623.31
    1,2-dimethoxyethane 800.62
    ethyl orthosilicate 332.75
    tributyl phosphate 224.46
    diacetone alcohol 451.28
    N,N-dimethylaniline 296.6
    acrylonitrile 572.23
    aniline 591.62
    1,3-propanediol 207.75
    bromobenzene 1217.96
    dibromomethane 1291.99
    1,1,2,2-tetrachloroethane 1523.66
    2-methyl-cyclohexyl acetate 542.57
    tetrabutyl urea 283.58
    diisobutyl methanol 297.0
    2-phenylethanol 444.14
    styrene 398.29
    dioctyl adipate 351.42
    dimethyl sulfate 315.12
    ethyl butyrate 837.74
    methyl lactate 185.35
    butyl lactate 318.47
    diethyl carbonate 496.95
    propanediol butyl ether 255.19
    triethyl orthoformate 582.23
    p-tert-butyltoluene 322.56
    methyl 4-tert-butylbenzoate 396.81
    morpholine 1434.48
    tert-butylamine 251.52
    n-dodecanol 137.63
    dimethoxymethane 567.63
    ethylene carbonate 752.35
    cyrene 353.15
    2-ethoxyethyl acetate 722.85
    2-ethylhexyl acetate 772.94
    1,2,4-trichlorobenzene 930.77
    4-methylpyridine 1281.48
    dibutyl ether 606.34
    2,6-dimethyl-4-heptanol 297.0
    DEF 801.2
    dimethyl isosorbide 852.25
    tetrachloroethylene 1115.16
    eugenol 354.67
    triacetin 523.89
    span 80 396.83
    1,4-butanediol 83.26
    1,1-dichloroethane 1072.57
    2-methyl-1-pentanol 206.06
    methyl formate 297.42
    2-methyl-1-butanol 251.17
    n-decane 108.6
    butyronitrile 687.47
    3,7-dimethyl-1-octanol 274.63
    1-chlorooctane 320.07
    1-chlorotetradecane 129.35
    n-nonane 120.74
    undecane 74.67
    tert-butylcyclohexane 117.58
    cyclooctane 205.24
    cyclopentanol 502.89
    tetrahydropyran 1706.92
    tert-amyl methyl ether 452.69
    2,5,8-trioxanonane 743.01
    1-hexene 341.36
    2-isopropoxyethanol 273.67
    2,2,2-trifluoroethanol 168.43
    methyl butyrate 582.36

    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