Ethyl propyl sulfide

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  • Identifiers

    CAS number
    4110-50-3

    Molecular formula
    C5H12S

    SMILES
    CCCSCC

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Sulfurous 81.54%
    Onion 70.87%
    Vegetable 70.86%
    Alliaceous 68.85%
    Garlic 67.68%
    Meaty 61.04%
    Green 58.35%
    Savory 54.9%
    Cooked 45.46%
    Cabbage 40.33%

     

    Flavor
    Onion 64.25%
    Sulfurous 62.53%
    Green 58.31%
    Garlic 54.41%
    Sulfury 40.76%
    Vegetable 35.6%
    Cabbage 32.48%
    Meaty 32.26%
    Earthy 30.82%
    Tomato 28.88%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    2.1

    pKa est.
    7.01 (neutral)

    Molecular weight
    104.22 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    118°C

    Flash point

    • 12.87 ˚C est.

  • Synonyms

    • Ethyl propyl sulfide
    • Ethyl n-propyl sulfide
    • 4110-50-3
    • Propane, 1-(ethylthio)-
    • Ethyl propyl sulphide
    • 3-Thiahexane
    • Sulfide, ethyl propyl
    • Propyl ethyl sulfide
    • 1-ethylsulfanylpropane
    • 1-(Ethylthio)propane
    • Ethyl propyl thioether
    • UNII-4FK48S87VH
    • 4FK48S87VH
    • EINECS 223-890-4
    • NSC-163319
    • n-C3H7SC2H5
    • DTXSID3041958
    • NSC 163319
    • MFCD00039940
    • Ethyl propyl thio ether
    • ETHYLPROPYLSULFIDE
    • 1-(Ethylsulfanyl)propane #
    • SCHEMBL200623
    • DTXCID1021958
    • NSC163319
    • AKOS015897457
    • LS-13098
    • DB-049714
    • E0224
    • NS00022158
    • H10827
    • A825432
    • Q27259528

  • Applications

    Ethyl propyl sulfide (CAS 4110-50-3) is a versatile building block in organic synthesis, commonly used as an intermediate to access sulfur-containing compounds. It may serve as a precursor for specialty polymers and plastic additives, enabling sulfide linkages in coatings and adhesives. In perfumery and cosmetics, it may be used as a fragrance ingredient or fixative, contributing to product scent characteristics. It can function as a processing aid or intermediate solvent in certain chemical manufacturing steps. It is also evaluated as a potential precursor for pharmaceutical and agrochemical synthesis, subject to regulatory constraints and formulation limits, and must comply with local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1388.81
    methanol 764.58
    isopropanol 1396.47
    water 0.09
    ethyl acetate 2143.59
    n-propanol 1487.53
    acetone 2769.14
    n-butanol 1782.11
    acetonitrile 1515.0
    DMF 1287.24
    toluene 1507.65
    isobutanol 1187.88
    1,4-dioxane 3562.14
    methyl acetate 1486.68
    THF 6021.66
    2-butanone 2401.18
    n-pentanol 995.07
    sec-butanol 1505.48
    n-hexane 1164.76
    ethylene glycol 107.88
    NMP 1662.73
    cyclohexane 2216.32
    DMSO 2282.19
    n-butyl acetate 4552.91
    n-octanol 913.59
    chloroform 3871.15
    n-propyl acetate 1361.07
    acetic acid 810.8
    dichloromethane 3171.82
    cyclohexanone 4319.89
    propylene glycol 257.7
    isopropyl acetate 1410.43
    DMAc 868.55
    2-ethoxyethanol 835.87
    isopentanol 1415.07
    n-heptane 2165.76
    ethyl formate 965.68
    1,2-dichloroethane 2224.11
    n-hexanol 2487.94
    2-methoxyethanol 1383.19
    isobutyl acetate 848.08
    tetrachloromethane 1393.76
    n-pentyl acetate 1407.73
    transcutol 2815.58
    n-heptanol 893.44
    ethylbenzene 609.21
    MIBK 1298.52
    2-propoxyethanol 2162.16
    tert-butanol 1822.71
    MTBE 2306.59
    2-butoxyethanol 1007.05
    propionic acid 946.04
    o-xylene 787.91
    formic acid 82.47
    diethyl ether 3257.58
    m-xylene 843.06
    p-xylene 757.32
    chlorobenzene 1609.83
    dimethyl carbonate 294.06
    n-octane 534.96
    formamide 138.3
    cyclopentanone 3790.55
    2-pentanone 2441.79
    anisole 891.3
    cyclopentyl methyl ether 3151.36
    gamma-butyrolactone 2649.15
    1-methoxy-2-propanol 1233.21
    pyridine 2622.62
    3-pentanone 1636.21
    furfural 1820.88
    n-dodecane 239.62
    diethylene glycol 770.57
    diisopropyl ether 1063.99
    tert-amyl alcohol 1541.55
    acetylacetone 1705.73
    n-hexadecane 276.52
    acetophenone 704.79
    methyl propionate 1139.61
    isopentyl acetate 2768.26
    trichloroethylene 3152.89
    n-nonanol 762.34
    cyclohexanol 2059.13
    benzyl alcohol 572.17
    2-ethylhexanol 2007.19
    isooctanol 728.64
    dipropyl ether 3796.25
    1,2-dichlorobenzene 1175.82
    ethyl lactate 334.09
    propylene carbonate 1419.15
    n-methylformamide 573.78
    2-pentanol 1396.76
    n-pentane 1059.22
    1-propoxy-2-propanol 2455.93
    1-methoxy-2-propyl acetate 1733.08
    2-(2-methoxypropoxy) propanol 620.24
    mesitylene 581.37
    ε-caprolactone 2757.32
    p-cymene 824.81
    epichlorohydrin 2630.79
    1,1,1-trichloroethane 3015.56
    2-aminoethanol 308.67
    morpholine-4-carbaldehyde 1633.21
    sulfolane 2742.59
    2,2,4-trimethylpentane 346.04
    2-methyltetrahydrofuran 4984.37
    n-hexyl acetate 1585.33
    isooctane 302.31
    2-(2-butoxyethoxy)ethanol 1019.23
    sec-butyl acetate 882.52
    tert-butyl acetate 1546.61
    decalin 490.36
    glycerin 272.97
    diglyme 2079.82
    acrylic acid 565.94
    isopropyl myristate 652.88
    n-butyric acid 1985.65
    acetyl acetate 989.49
    di(2-ethylhexyl) phthalate 350.48
    ethyl propionate 991.61
    nitromethane 1233.51
    1,2-diethoxyethane 2782.75
    benzonitrile 1186.34
    trioctyl phosphate 350.82
    1-bromopropane 2882.07
    gamma-valerolactone 3068.93
    n-decanol 529.38
    triethyl phosphate 543.58
    4-methyl-2-pentanol 693.6
    propionitrile 1670.12
    vinylene carbonate 1112.26
    1,1,2-trichlorotrifluoroethane 1199.6
    DMS 636.19
    cumene 365.54
    2-octanol 719.35
    2-hexanone 1655.94
    octyl acetate 740.98
    limonene 1871.51
    1,2-dimethoxyethane 2111.67
    ethyl orthosilicate 602.28
    tributyl phosphate 463.74
    diacetone alcohol 1162.54
    N,N-dimethylaniline 497.14
    acrylonitrile 1320.75
    aniline 1144.97
    1,3-propanediol 677.15
    bromobenzene 1898.61
    dibromomethane 3015.91
    1,1,2,2-tetrachloroethane 2643.65
    2-methyl-cyclohexyl acetate 1134.13
    tetrabutyl urea 622.51
    diisobutyl methanol 1113.51
    2-phenylethanol 968.89
    styrene 843.2
    dioctyl adipate 665.96
    dimethyl sulfate 409.09
    ethyl butyrate 2453.19
    methyl lactate 349.86
    butyl lactate 729.63
    diethyl carbonate 1020.65
    propanediol butyl ether 715.55
    triethyl orthoformate 1335.02
    p-tert-butyltoluene 759.77
    methyl 4-tert-butylbenzoate 591.24
    morpholine 3640.35
    tert-butylamine 1444.78
    n-dodecanol 411.95
    dimethoxymethane 1165.59
    ethylene carbonate 1121.72
    cyrene 494.03
    2-ethoxyethyl acetate 1188.9
    2-ethylhexyl acetate 2413.06
    1,2,4-trichlorobenzene 1198.73
    4-methylpyridine 2386.26
    dibutyl ether 2336.48
    2,6-dimethyl-4-heptanol 1113.51
    DEF 1792.86
    dimethyl isosorbide 1288.69
    tetrachloroethylene 1872.26
    eugenol 513.99
    triacetin 747.96
    span 80 823.31
    1,4-butanediol 236.93
    1,1-dichloroethane 2745.17
    2-methyl-1-pentanol 863.47
    methyl formate 433.94
    2-methyl-1-butanol 1310.93
    n-decane 478.62
    butyronitrile 2416.17
    3,7-dimethyl-1-octanol 977.35
    1-chlorooctane 1062.9
    1-chlorotetradecane 372.93
    n-nonane 582.75
    undecane 321.87
    tert-butylcyclohexane 432.45
    cyclooctane 777.37
    cyclopentanol 1905.78
    tetrahydropyran 5844.24
    tert-amyl methyl ether 1646.06
    2,5,8-trioxanonane 1131.89
    1-hexene 2161.76
    2-isopropoxyethanol 682.18
    2,2,2-trifluoroethanol 175.5
    methyl butyrate 1399.06

    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