(2S,5S)-2,4,5-trimethyl-2,5-dihydro-1,3-oxazol-3-ium

  • Identifiers

    Molecular formula
    C6H12NO+

    SMILES
    C[C@H]1C(=[NH+][C@@H](O1)C)C

  • Odor profile

    Fragrance
    Nutty 69.08%
    Woody 63.8%
    Vegetable 54.87%
    Musty 52.85%
    Roasted 50.96%
    Cocoa 47.52%
    Earthy 47.4%
    Green 44.68%
    Caramellic 44.29%
    Burnt 39.87%

     

    Flavor
    Green 53.34%
    Nutty 43.46%
    Musty 36.56%
    Caramel 35.25%
    Earthy 30.71%
    Woody 28.48%
    Wood 27.94%
    Roasted 27.77%
    Vegetable 27.71%
    Minty 27.22%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    0.5

    pKa est.
    9.61 (weak base)

    Molecular weight
    114.17 g/mol

    Flash point

    • 32.83 ˚C est.

  • Applications

    The compound (2S,5S)-2,4,5-trimethyl-2,5-dihydro-1,3-oxazol-3-ium is primarily used as an organic synthesis intermediate and a chiral building block for fine chemicals and pharmaceutical synthesis; it is commonly evaluated as a precursor for chiral ligands or catalysts in asymmetric transformations; it can serve as a component or precursor in ionic liquids or specialty solvents for polymer and materials processing; it may function as a cationic monomer or functional additive in coatings and inks to modify surface and mechanical properties; and it is often encountered as a reactive intermediate to introduce oxazole motifs in pharmaceutical and agrochemical research. CAS number:

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2380.48
    methanol 3842.94
    isopropanol 1394.31
    water 1064.45
    ethyl acetate 439.95
    n-propanol 1454.36
    acetone 648.39
    n-butanol 1160.97
    acetonitrile 827.08
    DMF 847.82
    toluene 210.02
    isobutanol 979.85
    1,4-dioxane 661.0
    methyl acetate 456.7
    THF 941.83
    2-butanone 497.1
    n-pentanol 666.02
    sec-butanol 1090.75
    n-hexane 73.06
    ethylene glycol 853.94
    NMP 823.5
    cyclohexane 73.18
    DMSO 658.58
    n-butyl acetate 185.41
    n-octanol 210.74
    chloroform 1683.58
    n-propyl acetate 156.28
    acetic acid 1862.06
    dichloromethane 1446.19
    cyclohexanone 478.9
    propylene glycol 824.38
    isopropyl acetate 219.56
    DMAc 767.87
    2-ethoxyethanol 852.08
    isopentanol 726.87
    n-heptane 41.5
    ethyl formate 434.13
    1,2-dichloroethane 541.2
    n-hexanol 462.26
    2-methoxyethanol 1577.35
    isobutyl acetate 108.94
    tetrachloromethane 375.15
    n-pentyl acetate 172.83
    transcutol 897.13
    n-heptanol 230.36
    ethylbenzene 69.09
    MIBK 177.48
    2-propoxyethanol 699.14
    tert-butanol 924.2
    MTBE 473.63
    2-butoxyethanol 396.06
    propionic acid 844.06
    o-xylene 126.57
    formic acid 1893.51
    diethyl ether 546.46
    m-xylene 115.91
    p-xylene 100.54
    chlorobenzene 279.02
    dimethyl carbonate 112.23
    n-octane 18.95
    formamide 1478.69
    cyclopentanone 570.54
    2-pentanone 343.32
    anisole 172.65
    cyclopentyl methyl ether 378.81
    gamma-butyrolactone 693.83
    1-methoxy-2-propanol 891.43
    pyridine 543.86
    3-pentanone 260.75
    furfural 660.06
    n-dodecane 15.0
    diethylene glycol 643.95
    diisopropyl ether 107.02
    tert-amyl alcohol 803.55
    acetylacetone 255.18
    n-hexadecane 15.92
    acetophenone 141.15
    methyl propionate 325.95
    isopentyl acetate 153.13
    trichloroethylene 841.77
    n-nonanol 174.79
    cyclohexanol 571.23
    benzyl alcohol 258.75
    2-ethylhexanol 189.17
    isooctanol 162.18
    dipropyl ether 147.72
    1,2-dichlorobenzene 200.66
    ethyl lactate 120.75
    propylene carbonate 323.55
    n-methylformamide 925.09
    2-pentanol 612.23
    n-pentane 109.55
    1-propoxy-2-propanol 372.54
    1-methoxy-2-propyl acetate 174.53
    2-(2-methoxypropoxy) propanol 214.38
    mesitylene 59.26
    ε-caprolactone 431.61
    p-cymene 57.08
    epichlorohydrin 713.17
    1,1,1-trichloroethane 511.65
    2-aminoethanol 1412.38
    morpholine-4-carbaldehyde 670.49
    sulfolane 516.24
    2,2,4-trimethylpentane 50.06
    2-methyltetrahydrofuran 752.63
    n-hexyl acetate 228.29
    isooctane 24.99
    2-(2-butoxyethoxy)ethanol 311.08
    sec-butyl acetate 115.92
    tert-butyl acetate 169.84
    decalin 30.21
    glycerin 898.05
    diglyme 502.7
    acrylic acid 739.13
    isopropyl myristate 70.4
    n-butyric acid 873.31
    acetyl acetate 250.04
    di(2-ethylhexyl) phthalate 88.66
    ethyl propionate 134.5
    nitromethane 1224.84
    1,2-diethoxyethane 244.19
    benzonitrile 267.02
    trioctyl phosphate 61.74
    1-bromopropane 455.82
    gamma-valerolactone 713.52
    n-decanol 117.04
    triethyl phosphate 66.47
    4-methyl-2-pentanol 252.3
    propionitrile 536.51
    vinylene carbonate 319.53
    1,1,2-trichlorotrifluoroethane 644.56
    DMS 119.14
    cumene 59.96
    2-octanol 143.53
    2-hexanone 185.01
    octyl acetate 105.13
    limonene 89.11
    1,2-dimethoxyethane 585.71
    ethyl orthosilicate 71.18
    tributyl phosphate 74.56
    diacetone alcohol 258.44
    N,N-dimethylaniline 132.12
    acrylonitrile 551.96
    aniline 422.24
    1,3-propanediol 1298.43
    bromobenzene 228.53
    dibromomethane 935.86
    1,1,2,2-tetrachloroethane 656.32
    2-methyl-cyclohexyl acetate 99.38
    tetrabutyl urea 89.76
    diisobutyl methanol 85.26
    2-phenylethanol 214.81
    styrene 91.89
    dioctyl adipate 90.93
    dimethyl sulfate 157.3
    ethyl butyrate 128.56
    methyl lactate 226.38
    butyl lactate 140.63
    diethyl carbonate 80.4
    propanediol butyl ether 289.52
    triethyl orthoformate 97.67
    p-tert-butyltoluene 55.84
    methyl 4-tert-butylbenzoate 156.93
    morpholine 873.17
    tert-butylamine 627.12
    n-dodecanol 82.16
    dimethoxymethane 454.06
    ethylene carbonate 265.12
    cyrene 185.19
    2-ethoxyethyl acetate 212.21
    2-ethylhexyl acetate 117.07
    1,2,4-trichlorobenzene 247.36
    4-methylpyridine 529.91
    dibutyl ether 136.04
    2,6-dimethyl-4-heptanol 85.26
    DEF 396.5
    dimethyl isosorbide 238.84
    tetrachloroethylene 544.45
    eugenol 182.3
    triacetin 160.52
    span 80 194.95
    1,4-butanediol 592.36
    1,1-dichloroethane 708.04
    2-methyl-1-pentanol 493.96
    methyl formate 520.71
    2-methyl-1-butanol 826.85
    n-decane 26.26
    butyronitrile 597.19
    3,7-dimethyl-1-octanol 172.44
    1-chlorooctane 91.64
    1-chlorotetradecane 34.03
    n-nonane 26.97
    undecane 18.61
    tert-butylcyclohexane 32.26
    cyclooctane 24.97
    cyclopentanol 703.55
    tetrahydropyran 565.08
    tert-amyl methyl ether 346.98
    2,5,8-trioxanonane 309.36
    1-hexene 205.56
    2-isopropoxyethanol 471.81
    2,2,2-trifluoroethanol 673.99
    methyl butyrate 189.2

    Scent© AI

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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
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Category 2
Products applied to the axillae
No restriction Category 7B
Leave-on products applied to the hair with some hand contact
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Category 3
Products applied to the face/body using fingertips
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Products with significant anogenital exposure
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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