2,4,5-Trimethyl-1,3-dioxolane

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    3299-32-9

    Molecular formula
    C6H12O2

    SMILES
    CC1C(OC(O1)C)C

  • Odor profile

    Fragrance
    Fruity 91.88%
    Green 82.59%
    Ethereal 78.18%
    Fermented 46.33%
    Alcoholic 43.87%
    Sweet 42.75%
    Fresh 41.93%
    Winey 40.18%
    Nutty 34.39%
    Rummy 34.27%

     

    Flavor
    Green 63.87%
    Vegetable 46.54%
    Earthy 43.36%
    Nutty 36.52%
    Sweet 32.22%
    Musty 32.05%
    Potato 31.85%
    Caramel 31.85%
    Raw 28.43%
    Roasted 24.95%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    1.1

    pKa est.
    7.36 (neutral)

    Molecular weight
    116.16 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Boiling point est.
    113°C

    Flash point

    • 13.98 ˚C est.

  • Synonyms

    • 2,4,5-Trimethyl-1,3-dioxolane
    • 3299-32-9
    • 1,3-Dioxolane, 2,4,5-trimethyl-
    • EINECS 221-969-8
    • CHEBI:87572
    • SCHEMBL1936758
    • SCHEMBL13469391
    • DTXSID50863147
    • 2,4,5-Trimethyl-1,3-dioxolane #
    • DB-279020
    • NS00048945
    • Q27159741
    • 221-969-8

  • Applications

    2,4,5-Trimethyl-1,3-dioxolane (CAS 3299-32-9) is a cyclic acetal derivative that may be used as an intermediate in organic synthesis, often as a protecting group for carbonyl functionality in complex sequences. In industry, it may be used as a solvent or processing aid in coatings, inks, and cleaning formulations. It also serves as a building block or precursor for fragrance, flavor, and cosmetics ingredients. Additionally, it is evaluated as a precursor for specialty polymers or plastics in the polymers/plastics sector.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 1249.29
    methanol 1832.18
    isopropanol 890.45
    water 165.36
    ethyl acetate 594.29
    n-propanol 912.17
    acetone 673.94
    n-butanol 799.3
    acetonitrile 877.64
    DMF 737.69
    toluene 331.57
    isobutanol 696.22
    1,4-dioxane 973.69
    methyl acetate 581.29
    THF 1145.81
    2-butanone 581.33
    n-pentanol 503.16
    sec-butanol 867.19
    n-hexane 199.64
    ethylene glycol 428.77
    NMP 916.25
    cyclohexane 234.81
    DMSO 712.79
    n-butyl acetate 237.23
    n-octanol 239.63
    chloroform 2240.11
    n-propyl acetate 247.65
    acetic acid 1180.69
    dichloromethane 2039.48
    cyclohexanone 674.63
    propylene glycol 429.8
    isopropyl acetate 325.38
    DMAc 757.25
    2-ethoxyethanol 725.43
    isopentanol 587.01
    n-heptane 104.59
    ethyl formate 401.83
    1,2-dichloroethane 873.41
    n-hexanol 403.82
    2-methoxyethanol 1163.48
    isobutyl acetate 167.48
    tetrachloromethane 628.17
    n-pentyl acetate 225.19
    transcutol 1015.33
    n-heptanol 215.95
    ethylbenzene 166.71
    MIBK 235.05
    2-propoxyethanol 607.47
    tert-butanol 839.73
    MTBE 651.02
    2-butoxyethanol 343.55
    propionic acid 708.81
    o-xylene 243.54
    formic acid 826.36
    diethyl ether 789.13
    m-xylene 201.98
    p-xylene 230.12
    chlorobenzene 435.99
    dimethyl carbonate 171.47
    n-octane 47.46
    formamide 837.0
    cyclopentanone 773.4
    2-pentanone 419.36
    anisole 314.91
    cyclopentyl methyl ether 583.11
    gamma-butyrolactone 908.93
    1-methoxy-2-propanol 742.13
    pyridine 685.71
    3-pentanone 390.47
    furfural 829.32
    n-dodecane 37.54
    diethylene glycol 503.38
    diisopropyl ether 219.42
    tert-amyl alcohol 829.69
    acetylacetone 403.77
    n-hexadecane 40.82
    acetophenone 251.64
    methyl propionate 449.29
    isopentyl acetate 215.99
    trichloroethylene 1395.11
    n-nonanol 213.09
    cyclohexanol 652.96
    benzyl alcohol 302.6
    2-ethylhexanol 224.7
    isooctanol 176.84
    dipropyl ether 271.18
    1,2-dichlorobenzene 392.84
    ethyl lactate 161.75
    propylene carbonate 452.99
    n-methylformamide 650.01
    2-pentanol 536.2
    n-pentane 224.27
    1-propoxy-2-propanol 368.15
    1-methoxy-2-propyl acetate 255.93
    2-(2-methoxypropoxy) propanol 272.19
    mesitylene 130.09
    ε-caprolactone 593.81
    p-cymene 119.31
    epichlorohydrin 949.41
    1,1,1-trichloroethane 975.02
    2-aminoethanol 734.92
    morpholine-4-carbaldehyde 795.21
    sulfolane 839.54
    2,2,4-trimethylpentane 106.85
    2-methyltetrahydrofuran 1017.16
    n-hexyl acetate 330.32
    isooctane 55.25
    2-(2-butoxyethoxy)ethanol 353.88
    sec-butyl acetate 204.74
    tert-butyl acetate 289.25
    decalin 99.94
    glycerin 544.41
    diglyme 647.8
    acrylic acid 649.37
    isopropyl myristate 135.0
    n-butyric acid 695.92
    acetyl acetate 405.24
    di(2-ethylhexyl) phthalate 124.32
    ethyl propionate 267.75
    nitromethane 1055.31
    1,2-diethoxyethane 349.07
    benzonitrile 351.17
    trioctyl phosphate 89.46
    1-bromopropane 735.0
    gamma-valerolactone 895.92
    n-decanol 149.49
    triethyl phosphate 130.46
    4-methyl-2-pentanol 250.68
    propionitrile 616.53
    vinylene carbonate 440.24
    1,1,2-trichlorotrifluoroethane 759.41
    DMS 233.46
    cumene 138.69
    2-octanol 168.15
    2-hexanone 265.85
    octyl acetate 171.08
    limonene 179.68
    1,2-dimethoxyethane 741.38
    ethyl orthosilicate 132.02
    tributyl phosphate 114.95
    diacetone alcohol 330.38
    N,N-dimethylaniline 237.91
    acrylonitrile 632.55
    aniline 477.59
    1,3-propanediol 757.04
    bromobenzene 441.23
    dibromomethane 1395.94
    1,1,2,2-tetrachloroethane 1127.72
    2-methyl-cyclohexyl acetate 182.83
    tetrabutyl urea 135.82
    diisobutyl methanol 130.16
    2-phenylethanol 246.02
    styrene 207.47
    dioctyl adipate 178.76
    dimethyl sulfate 278.05
    ethyl butyrate 214.46
    methyl lactate 246.64
    butyl lactate 163.07
    diethyl carbonate 160.25
    propanediol butyl ether 268.26
    triethyl orthoformate 171.5
    p-tert-butyltoluene 118.41
    methyl 4-tert-butylbenzoate 250.09
    morpholine 1035.19
    tert-butylamine 687.77
    n-dodecanol 113.86
    dimethoxymethane 515.59
    ethylene carbonate 363.2
    cyrene 238.38
    2-ethoxyethyl acetate 281.14
    2-ethylhexyl acetate 180.97
    1,2,4-trichlorobenzene 474.72
    4-methylpyridine 630.86
    dibutyl ether 247.48
    2,6-dimethyl-4-heptanol 130.16
    DEF 492.13
    dimethyl isosorbide 387.47
    tetrachloroethylene 855.09
    eugenol 229.59
    triacetin 292.81
    span 80 238.31
    1,4-butanediol 338.8
    1,1-dichloroethane 1083.06
    2-methyl-1-pentanol 423.07
    methyl formate 428.63
    2-methyl-1-butanol 641.33
    n-decane 62.69
    butyronitrile 590.41
    3,7-dimethyl-1-octanol 227.17
    1-chlorooctane 176.73
    1-chlorotetradecane 76.14
    n-nonane 65.19
    undecane 45.49
    tert-butylcyclohexane 99.1
    cyclooctane 87.3
    cyclopentanol 749.81
    tetrahydropyran 808.18
    tert-amyl methyl ether 520.01
    2,5,8-trioxanonane 430.24
    1-hexene 362.05
    2-isopropoxyethanol 452.11
    2,2,2-trifluoroethanol 533.98
    methyl butyrate 310.62

    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

Botanical

Name CAS Botanical Proportion
Carob bean extract 1 9000-40-2 Ceratonia siliqua L., fam. Leguminoseae 0.2%