2-Ethylthiazole

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  • Identifiers

    CAS number
    15679-09-1

    Molecular formula
    C5H7NS

    SMILES
    CCC1=NC=CS1

    Safety labels

    Flammable
    Flammable

  • Odor profile

    Green 93.21%
    Vegetable 75.35%
    Nutty 67.62%
    Tomato 43.97%
    Meaty 43.77%
    Herbal 41.46%
    Earthy 41.14%
    Musty 38.08%
    Roasted 37.55%
    Cocoa 37.1%

    Scent© AI

  • Properties

    XLogP3-AA
    1.8

    Molecular weight
    113.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • 125.5 - 126 °C

    Boiling point

    • 148.00 °C. @ 760.00 mm Hg

    Flash point est.
    43.42 ˚C

  • Synonyms

    • 2-Ethylthiazole
    • 15679-09-1
    • Thiazole, 2-ethyl-
    • 2-Ethyl-1,3-thiazole
    • 2-Ethyl-2H-3-thiazole
    • 2-ethyl-thiazole
    • UNII-KFC56019MI
    • KFC56019MI
    • EINECS 239-755-8
    • DTXSID30166128
    • ethylthiazole
    • MFCD00085193
    • 2-Ethyl-1,3-thiazole #
    • SCHEMBL155115
    • DTXCID1088619
    • CHEBI:193949
    • AKOS006229197
    • BS-21564
    • DB-064143
    • CS-0205022
    • E0470
    • NS00021699
    • D90524
    • Q27282226
    • 239-755-8

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 148.47
    methanol 238.05
    isopropanol 86.31
    water 1.58
    ethyl acetate 160.81
    n-propanol 114.69
    acetone 226.77
    n-butanol 130.54
    acetonitrile 155.49
    DMF 353.38
    toluene 162.47
    isobutanol 86.61
    1,4-dioxane 326.96
    methyl acetate 170.78
    THF 424.77
    2-butanone 203.78
    n-pentanol 114.03
    sec-butanol 86.4
    n-hexane 24.81
    ethylene glycol 40.53
    NMP 469.53
    cyclohexane 40.62
    DMSO 379.17
    n-butyl acetate 192.49
    n-octanol 59.55
    chloroform 628.07
    n-propyl acetate 129.71
    acetic acid 177.33
    dichloromethane 622.1
    cyclohexanone 339.95
    propylene glycol 36.28
    isopropyl acetate 109.46
    DMAc 294.89
    2-ethoxyethanol 180.71
    isopentanol 116.69
    n-heptane 29.57
    ethyl formate 148.52
    1,2-dichloroethane 315.48
    n-hexanol 116.98
    2-methoxyethanol 243.97
    isobutyl acetate 96.66
    tetrachloromethane 150.39
    n-pentyl acetate 128.49
    transcutol 573.53
    n-heptanol 65.23
    ethylbenzene 70.86
    MIBK 117.71
    2-propoxyethanol 224.85
    tert-butanol 102.26
    MTBE 124.93
    2-butoxyethanol 134.21
    propionic acid 109.53
    o-xylene 99.24
    formic acid 89.74
    diethyl ether 158.81
    m-xylene 102.56
    p-xylene 98.51
    chlorobenzene 295.05
    dimethyl carbonate 79.88
    n-octane 12.59
    formamide 122.19
    cyclopentanone 374.83
    2-pentanone 181.37
    anisole 182.58
    cyclopentyl methyl ether 195.91
    gamma-butyrolactone 376.06
    1-methoxy-2-propanol 153.6
    pyridine 388.89
    3-pentanone 147.06
    furfural 492.6
    n-dodecane 11.21
    diethylene glycol 152.59
    diisopropyl ether 59.14
    tert-amyl alcohol 99.09
    acetylacetone 219.8
    n-hexadecane 12.92
    acetophenone 179.61
    methyl propionate 130.86
    isopentyl acetate 169.46
    trichloroethylene 629.22
    n-nonanol 58.34
    cyclohexanol 115.56
    benzyl alcohol 144.92
    2-ethylhexanol 88.42
    isooctanol 56.1
    dipropyl ether 118.93
    1,2-dichlorobenzene 257.07
    ethyl lactate 61.54
    propylene carbonate 202.61
    n-methylformamide 172.45
    2-pentanol 81.01
    n-pentane 26.26
    1-propoxy-2-propanol 152.51
    1-methoxy-2-propyl acetate 174.65
    2-(2-methoxypropoxy) propanol 158.7
    mesitylene 72.64
    ε-caprolactone 267.13
    p-cymene 65.84
    epichlorohydrin 404.28
    1,1,1-trichloroethane 321.39
    2-aminoethanol 72.3
    morpholine-4-carbaldehyde 447.76
    sulfolane 432.47
    2,2,4-trimethylpentane 18.17
    2-methyltetrahydrofuran 302.74
    n-hexyl acetate 145.67
    isooctane 14.24
    2-(2-butoxyethoxy)ethanol 205.09
    sec-butyl acetate 91.8
    tert-butyl acetate 133.97
    decalin 27.59
    glycerin 67.45
    diglyme 355.47
    acrylic acid 116.78
    isopropyl myristate 75.36
    n-butyric acid 163.03
    acetyl acetate 124.85
    di(2-ethylhexyl) phthalate 88.19
    ethyl propionate 99.81
    nitromethane 306.47
    1,2-diethoxyethane 252.97
    benzonitrile 254.04
    trioctyl phosphate 57.55
    1-bromopropane 192.37
    gamma-valerolactone 481.66
    n-decanol 48.56
    triethyl phosphate 79.03
    4-methyl-2-pentanol 56.36
    propionitrile 148.29
    vinylene carbonate 229.75
    1,1,2-trichlorotrifluoroethane 273.73
    DMS 134.44
    cumene 56.65
    2-octanol 47.14
    2-hexanone 144.29
    octyl acetate 88.61
    limonene 95.25
    1,2-dimethoxyethane 306.69
    ethyl orthosilicate 79.53
    tributyl phosphate 76.81
    diacetone alcohol 131.47
    N,N-dimethylaniline 132.77
    acrylonitrile 187.65
    aniline 177.65
    1,3-propanediol 111.45
    bromobenzene 310.79
    dibromomethane 400.35
    1,1,2,2-tetrachloroethane 417.34
    2-methyl-cyclohexyl acetate 127.87
    tetrabutyl urea 101.03
    diisobutyl methanol 58.48
    2-phenylethanol 149.18
    styrene 110.25
    dioctyl adipate 107.36
    dimethyl sulfate 146.08
    ethyl butyrate 133.69
    methyl lactate 71.65
    butyl lactate 89.02
    diethyl carbonate 94.15
    propanediol butyl ether 100.77
    triethyl orthoformate 106.14
    p-tert-butyltoluene 63.29
    methyl 4-tert-butylbenzoate 138.85
    morpholine 310.26
    tert-butylamine 76.83
    n-dodecanol 41.11
    dimethoxymethane 221.41
    ethylene carbonate 170.9
    cyrene 178.46
    2-ethoxyethyl acetate 198.5
    2-ethylhexyl acetate 146.95
    1,2,4-trichlorobenzene 289.52
    4-methylpyridine 379.63
    dibutyl ether 105.0
    2,6-dimethyl-4-heptanol 58.48
    DEF 214.92
    dimethyl isosorbide 293.78
    tetrachloroethylene 304.86
    eugenol 164.58
    triacetin 154.31
    span 80 137.76
    1,4-butanediol 60.24
    1,1-dichloroethane 298.19
    2-methyl-1-pentanol 106.56
    methyl formate 137.31
    2-methyl-1-butanol 104.42
    n-decane 16.16
    butyronitrile 173.85
    3,7-dimethyl-1-octanol 71.93
    1-chlorooctane 57.81
    1-chlorotetradecane 31.79
    n-nonane 15.54
    undecane 12.97
    tert-butylcyclohexane 26.41
    cyclooctane 18.02
    cyclopentanol 122.14
    tetrahydropyran 253.76
    tert-amyl methyl ether 109.96
    2,5,8-trioxanonane 292.61
    1-hexene 73.54
    2-isopropoxyethanol 129.03
    2,2,2-trifluoroethanol 79.92
    methyl butyrate 136.09

    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