2,4-Dimethylthiazole

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  • Identifiers

    CAS number
    541-58-2

    Molecular formula
    C5H7NS

    SMILES
    CC1=CSC(=N1)C

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    Meaty 74.53%
    Nutty 73.65%
    Roasted 67.26%
    Green 61.63%
    Sulfurous 60.48%
    Vegetable 59.45%
    Cocoa 53.06%
    Coffee 50.79%
    Burnt 42.87%
    Earthy 40.99%

    Scent© AI

  • Properties

    XLogP3-AA
    1.8

    pKa est.
    5.17 (weak acid)

    Molecular weight
    113.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • 69.00 °C. @ 760.00 mm Hg

    Boiling point

    • 145.00 °C. @ 760.00 mm Hg

    Flash point est.
    35.79 ˚C

  • Synonyms

    • 2,4-DIMETHYLTHIAZOLE
    • 541-58-2
    • 2,4-Dimethyl-1,3-thiazole
    • Thiazole, 2,4-dimethyl-
    • 2,4-Methylthiazole
    • 2,4-dimethyl-thiazole
    • NSC 7510
    • EINECS 208-786-9
    • UNII-LHT97038OA
    • BRN 0106414
    • LHT97038OA
    • 2,4-dimethyl thiazole
    • NSC-7510
    • MFCD00014509
    • DTXSID2060250
    • 4-27-00-00981 (Beilstein Handbook Reference)
    • dimethylthiazol
    • 2,4-Dimethyl-1,3-thiazole; 2,4-Methylthiazole; NSC 7510
    • NSC7510
    • 2,4 dimethylthiazole
    • 2.4-dimethylthiazole
    • Thiazole,4-dimethyl-
    • 2, 4-Dimethylthiazole
    • SCHEMBL128316
    • DTXCID2041597
    • WLN: T5N CSJ B1 E1
    • 2,4-Dimethyl-1,3-thiazole #
    • CHEBI:193946
    • 2,4-Dimethylthiazole, >=95%, FG
    • AKOS000121561
    • CS-W013648
    • BP-10584
    • DB-020001
    • D1220
    • NS00022342
    • EN300-16084
    • O10604
    • A830001
    • Q27282995
    • Z48850603
    • 208-786-9

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 324.5
    methanol 425.07
    isopropanol 233.2
    water 26.23
    ethyl acetate 315.31
    n-propanol 270.42
    acetone 374.4
    n-butanol 243.25
    acetonitrile 277.31
    DMF 505.05
    toluene 269.69
    isobutanol 195.1
    1,4-dioxane 572.19
    methyl acetate 327.74
    THF 615.66
    2-butanone 330.63
    n-pentanol 172.02
    sec-butanol 228.34
    n-hexane 45.33
    ethylene glycol 147.14
    NMP 640.4
    cyclohexane 72.89
    DMSO 406.65
    n-butyl acetate 140.54
    n-octanol 103.11
    chloroform 728.46
    n-propyl acetate 124.6
    acetic acid 294.31
    dichloromethane 610.45
    cyclohexanone 388.78
    propylene glycol 151.88
    isopropyl acetate 163.82
    DMAc 517.19
    2-ethoxyethanol 302.91
    isopentanol 173.69
    n-heptane 40.8
    ethyl formate 181.99
    1,2-dichloroethane 319.72
    n-hexanol 181.76
    2-methoxyethanol 535.96
    isobutyl acetate 89.85
    tetrachloromethane 181.42
    n-pentyl acetate 124.36
    transcutol 515.28
    n-heptanol 100.54
    ethylbenzene 81.22
    MIBK 144.38
    2-propoxyethanol 362.17
    tert-butanol 232.16
    MTBE 220.44
    2-butoxyethanol 194.26
    propionic acid 229.02
    o-xylene 151.87
    formic acid 199.17
    diethyl ether 331.8
    m-xylene 156.64
    p-xylene 105.01
    chlorobenzene 252.75
    dimethyl carbonate 148.75
    n-octane 18.55
    formamide 255.82
    cyclopentanone 426.85
    2-pentanone 253.18
    anisole 210.1
    cyclopentyl methyl ether 336.24
    gamma-butyrolactone 424.24
    1-methoxy-2-propanol 366.49
    pyridine 413.64
    3-pentanone 229.52
    furfural 453.6
    n-dodecane 16.38
    diethylene glycol 299.44
    diisopropyl ether 93.1
    tert-amyl alcohol 212.3
    acetylacetone 284.1
    n-hexadecane 18.48
    acetophenone 160.04
    methyl propionate 271.62
    isopentyl acetate 122.0
    trichloroethylene 561.75
    n-nonanol 93.96
    cyclohexanol 226.05
    benzyl alcohol 153.99
    2-ethylhexanol 103.89
    isooctanol 76.23
    dipropyl ether 147.3
    1,2-dichlorobenzene 204.71
    ethyl lactate 82.25
    propylene carbonate 212.77
    n-methylformamide 299.75
    2-pentanol 166.53
    n-pentane 54.3
    1-propoxy-2-propanol 228.01
    1-methoxy-2-propyl acetate 196.18
    2-(2-methoxypropoxy) propanol 179.86
    mesitylene 90.31
    ε-caprolactone 323.05
    p-cymene 65.62
    epichlorohydrin 503.32
    1,1,1-trichloroethane 383.39
    2-aminoethanol 221.89
    morpholine-4-carbaldehyde 623.53
    sulfolane 427.77
    2,2,4-trimethylpentane 28.23
    2-methyltetrahydrofuran 500.88
    n-hexyl acetate 163.42
    isooctane 18.3
    2-(2-butoxyethoxy)ethanol 224.87
    sec-butyl acetate 97.06
    tert-butyl acetate 166.43
    decalin 35.63
    glycerin 224.39
    diglyme 380.52
    acrylic acid 208.03
    isopropyl myristate 77.75
    n-butyric acid 229.43
    acetyl acetate 196.76
    di(2-ethylhexyl) phthalate 82.88
    ethyl propionate 128.91
    nitromethane 475.57
    1,2-diethoxyethane 220.64
    benzonitrile 180.61
    trioctyl phosphate 56.26
    1-bromopropane 245.55
    gamma-valerolactone 576.11
    n-decanol 71.53
    triethyl phosphate 71.38
    4-methyl-2-pentanol 86.97
    propionitrile 210.76
    vinylene carbonate 220.51
    1,1,2-trichlorotrifluoroethane 353.55
    DMS 150.91
    cumene 61.98
    2-octanol 72.71
    2-hexanone 148.63
    octyl acetate 101.06
    limonene 103.3
    1,2-dimethoxyethane 379.39
    ethyl orthosilicate 71.38
    tributyl phosphate 66.12
    diacetone alcohol 186.82
    N,N-dimethylaniline 145.41
    acrylonitrile 228.05
    aniline 268.69
    1,3-propanediol 250.73
    bromobenzene 254.42
    dibromomethane 422.46
    1,1,2,2-tetrachloroethane 427.55
    2-methyl-cyclohexyl acetate 108.48
    tetrabutyl urea 86.23
    diisobutyl methanol 61.76
    2-phenylethanol 159.2
    styrene 115.6
    dioctyl adipate 102.04
    dimethyl sulfate 228.59
    ethyl butyrate 112.75
    methyl lactate 149.88
    butyl lactate 94.59
    diethyl carbonate 79.84
    propanediol butyl ether 142.64
    triethyl orthoformate 94.46
    p-tert-butyltoluene 65.41
    methyl 4-tert-butylbenzoate 157.96
    morpholine 576.76
    tert-butylamine 156.52
    n-dodecanol 57.5
    dimethoxymethane 395.2
    ethylene carbonate 187.08
    cyrene 174.32
    2-ethoxyethyl acetate 189.3
    2-ethylhexyl acetate 106.84
    1,2,4-trichlorobenzene 251.79
    4-methylpyridine 414.2
    dibutyl ether 114.28
    2,6-dimethyl-4-heptanol 61.76
    DEF 296.02
    dimethyl isosorbide 277.99
    tetrachloroethylene 305.1
    eugenol 155.58
    triacetin 162.25
    span 80 155.83
    1,4-butanediol 124.03
    1,1-dichloroethane 395.72
    2-methyl-1-pentanol 145.32
    methyl formate 229.27
    2-methyl-1-butanol 196.84
    n-decane 24.71
    butyronitrile 207.13
    3,7-dimethyl-1-octanol 97.4
    1-chlorooctane 76.99
    1-chlorotetradecane 38.0
    n-nonane 24.51
    undecane 19.61
    tert-butylcyclohexane 33.24
    cyclooctane 30.7
    cyclopentanol 260.67
    tetrahydropyran 434.78
    tert-amyl methyl ether 192.48
    2,5,8-trioxanonane 292.41
    1-hexene 100.17
    2-isopropoxyethanol 200.92
    2,2,2-trifluoroethanol 164.59
    methyl butyrate 144.94

    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