Oxazole, 2,5-dimethyl-4-propyl

Overview IFRA Request a quote

  • Identifiers

    CAS number
    30674-60-3

    Molecular formula
    C8H13NO

    SMILES
    CCCC1=C(OC(=N1)C)C

    Safety labels

  • Odor profile

    Fragrance
    Green 68.62%
    Roasted 63.45%
    Nutty 59.29%
    Vegetable 54.29%
    Earthy 53.69%
    Burnt 47.9%
    Meaty 41.95%
    Fatty 41.75%
    Musty 40.37%
    Hazelnut 35.56%

     

    Flavor
    Roasted 65.58%
    Burnt 53.11%
    Nutty 49.99%
    Earthy 48.22%
    Vegetable 40.52%
    Meaty 39.99%
    Coffee 36.19%
    Roast 35.51%
    Potato 34.45%
    Musty 33.79%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    2.3

    pKa est.
    7.28 (neutral)

    Molecular weight
    139.19 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Fast

    Boiling point est.
    197°C

    Flash point

    • 58.83 ˚C est.

  • Synonyms

    • Oxazole, 2,5-dimethyl-4-propyl
    • 30674-60-3
    • DTXSID30336086
    • RefChem:367179
    • DTXCID80287175
    • GVCPWBGRQAPLQO-UHFFFAOYSA-N
    • 2,5-dimethyl-4-propyl-1,3-oxazole
    • SCHEMBL13566370
    • 30674-60-3

  • Applications

    Oxazole, 2,5-dimethyl-4-propyl (CAS 30674-60-3) may be used as a synthetic intermediate and core heterocyclic scaffold in the development of pharmaceutical and agrochemical derivatives, serving as a building block for active compounds. In fragrance chemistry, substituted oxazoles can function as intermediates to develop scent ingredients, and they may be explored as building blocks for specialty polymers or plastics. Additionally, such oxazole derivatives have potential applications in electronics and optical materials as colorants or components for display technologies, with practical use governed by formulation requirements and local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1525.25
    methanol 2164.28
    isopropanol 1143.7
    water 15.71
    ethyl acetate 617.29
    n-propanol 1353.56
    acetone 807.41
    n-butanol 1193.99
    acetonitrile 835.13
    DMF 1474.63
    toluene 662.9
    isobutanol 1067.43
    1,4-dioxane 1494.09
    methyl acetate 649.91
    THF 1840.3
    2-butanone 703.21
    n-pentanol 850.66
    sec-butanol 1166.84
    n-hexane 381.65
    ethylene glycol 470.68
    NMP 1315.9
    cyclohexane 516.13
    DMSO 1182.88
    n-butyl acetate 541.38
    n-octanol 601.83
    chloroform 3150.04
    n-propyl acetate 397.87
    acetic acid 823.71
    dichloromethane 3072.6
    cyclohexanone 1204.97
    propylene glycol 574.85
    isopropyl acetate 383.69
    DMAc 1137.31
    2-ethoxyethanol 808.31
    isopentanol 859.44
    n-heptane 240.95
    ethyl formate 581.17
    1,2-dichloroethane 1326.57
    n-hexanol 972.75
    2-methoxyethanol 1324.78
    isobutyl acetate 304.96
    tetrachloromethane 691.52
    n-pentyl acetate 461.95
    transcutol 1072.31
    n-heptanol 456.45
    ethylbenzene 452.68
    MIBK 429.1
    2-propoxyethanol 996.6
    tert-butanol 1078.18
    MTBE 879.99
    2-butoxyethanol 536.08
    propionic acid 714.52
    o-xylene 453.02
    formic acid 367.08
    diethyl ether 947.86
    m-xylene 440.59
    p-xylene 572.77
    chlorobenzene 905.26
    dimethyl carbonate 324.12
    n-octane 127.94
    formamide 372.61
    cyclopentanone 1179.76
    2-pentanone 629.92
    anisole 623.7
    cyclopentyl methyl ether 980.0
    gamma-butyrolactone 1249.43
    1-methoxy-2-propanol 925.29
    pyridine 1108.78
    3-pentanone 528.77
    furfural 1186.74
    n-dodecane 113.02
    diethylene glycol 699.27
    diisopropyl ether 291.04
    tert-amyl alcohol 1008.28
    acetylacetone 572.16
    n-hexadecane 123.6
    acetophenone 506.39
    methyl propionate 585.43
    isopentyl acetate 482.78
    trichloroethylene 2070.68
    n-nonanol 481.47
    cyclohexanol 1060.26
    benzyl alcohol 572.72
    2-ethylhexanol 540.51
    isooctanol 361.0
    dipropyl ether 532.17
    1,2-dichlorobenzene 833.67
    ethyl lactate 267.22
    propylene carbonate 751.37
    n-methylformamide 771.56
    2-pentanol 743.08
    n-pentane 348.47
    1-propoxy-2-propanol 625.67
    1-methoxy-2-propyl acetate 440.81
    2-(2-methoxypropoxy) propanol 466.0
    mesitylene 298.66
    ε-caprolactone 975.59
    p-cymene 285.2
    epichlorohydrin 1445.36
    1,1,1-trichloroethane 1274.99
    2-aminoethanol 785.56
    morpholine-4-carbaldehyde 1128.32
    sulfolane 1434.06
    2,2,4-trimethylpentane 183.79
    2-methyltetrahydrofuran 1321.13
    n-hexyl acetate 722.85
    isooctane 119.13
    2-(2-butoxyethoxy)ethanol 586.66
    sec-butyl acetate 283.82
    tert-butyl acetate 413.75
    decalin 231.48
    glycerin 597.53
    diglyme 893.7
    acrylic acid 572.67
    isopropyl myristate 299.72
    n-butyric acid 830.75
    acetyl acetate 397.05
    di(2-ethylhexyl) phthalate 310.74
    ethyl propionate 400.56
    nitromethane 891.23
    1,2-diethoxyethane 535.97
    benzonitrile 767.48
    trioctyl phosphate 228.84
    1-bromopropane 1178.46
    gamma-valerolactone 1260.64
    n-decanol 355.5
    triethyl phosphate 220.11
    4-methyl-2-pentanol 402.32
    propionitrile 901.34
    vinylene carbonate 820.75
    1,1,2-trichlorotrifluoroethane 873.59
    DMS 458.4
    cumene 344.38
    2-octanol 409.62
    2-hexanone 473.49
    octyl acetate 393.45
    limonene 426.1
    1,2-dimethoxyethane 1211.98
    ethyl orthosilicate 218.1
    tributyl phosphate 260.7
    diacetone alcohol 449.68
    N,N-dimethylaniline 508.35
    acrylonitrile 915.11
    aniline 653.47
    1,3-propanediol 865.97
    bromobenzene 1048.89
    dibromomethane 2170.08
    1,1,2,2-tetrachloroethane 1757.6
    2-methyl-cyclohexyl acetate 365.24
    tetrabutyl urea 346.59
    diisobutyl methanol 261.42
    2-phenylethanol 544.09
    styrene 544.96
    dioctyl adipate 376.31
    dimethyl sulfate 491.76
    ethyl butyrate 390.66
    methyl lactate 348.72
    butyl lactate 356.54
    diethyl carbonate 279.44
    propanediol butyl ether 554.18
    triethyl orthoformate 282.35
    p-tert-butyltoluene 272.61
    methyl 4-tert-butylbenzoate 510.76
    morpholine 1502.96
    tert-butylamine 887.73
    n-dodecanol 278.36
    dimethoxymethane 987.06
    ethylene carbonate 660.76
    cyrene 430.28
    2-ethoxyethyl acetate 478.95
    2-ethylhexyl acetate 403.23
    1,2,4-trichlorobenzene 886.11
    4-methylpyridine 1176.62
    dibutyl ether 523.02
    2,6-dimethyl-4-heptanol 261.42
    DEF 769.69
    dimethyl isosorbide 690.59
    tetrachloroethylene 1275.48
    eugenol 474.02
    triacetin 487.53
    span 80 486.01
    1,4-butanediol 494.8
    1,1-dichloroethane 1416.75
    2-methyl-1-pentanol 748.39
    methyl formate 631.37
    2-methyl-1-butanol 962.32
    n-decane 172.23
    butyronitrile 983.57
    3,7-dimethyl-1-octanol 483.25
    1-chlorooctane 476.62
    1-chlorotetradecane 210.77
    n-nonane 186.15
    undecane 134.75
    tert-butylcyclohexane 221.66
    cyclooctane 179.91
    cyclopentanol 1146.9
    tetrahydropyran 1493.11
    tert-amyl methyl ether 687.77
    2,5,8-trioxanonane 670.75
    1-hexene 758.39
    2-isopropoxyethanol 525.6
    2,2,2-trifluoroethanol 280.15
    methyl butyrate 547.15

    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