Uralenol

Overview IFRA Request a quote

  • Identifiers

    CAS number
    139163-15-8

    Molecular formula
    C20H18O7

    SMILES
    CC(=CCC1=C(C(=CC(=C1)C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O)O)C

    Safety labels

  • Odor profile

    Fragrance
    Phenolic 52.02%
    Odorless 48.4%
    Burnt 34.54%
    Spicy 31.37%
    Smoky 28.33%
    Dry 22.46%
    Woody 22.34%
    Medicinal 22.22%
    Fruity 21.1%
    Savory 19.1%

     

    Flavor
    Bitter 92.24%
    Odorless 24.08%
    Bland 21.55%
    Cedarleaf 20.85%
    Parsley 20.35%
    Sweet-like 20.28%
    Eugenol 20.05%
    Lovage 19.95%
    Nitrile 19.67%
    Flat 19.22%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    3.5

    pKa est.
    10.62 (weak base)

    Molecular weight
    370.4 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    1227°C

    Melting point expt.

    • 170.5 - 172.5 °C

    Flash point

    • 253.98 ˚C est.

  • Synonyms

    • Uralenol
    • 139163-15-8
    • 3,5,7,3',4'-Pentahydroxy-5'-isoprenylflavone
    • 2-[3,4-dihydroxy-5-(3-methylbut-2-enyl)phenyl]-3,5,7-trihydroxychromen-4-one
    • DTXSID50160946
    • 2-(3,4-dihydroxy-5-(3-methylbut-2-enyl)phenyl)-3,5,7-trihydroxychromen-4-one
    • RefChem:193179
    • DTXCID3083437
    • CHEMBL113833
    • 2-(3,4-Dihydroxy-5-(3-methylbut-2-en-1-yl)phenyl)-3,5,7-trihydroxy-4H-chromen-4-one
    • orb1984280
    • SCHEMBL1170912
    • SCHEMBL30266817
    • CHEBI:175758
    • HY-N9326
    • PFA16315
    • BDBM50121024
    • LMPK12112286
    • AKOS040760741
    • DA-68491
    • MS-25950
    • PD197613
    • 3',4',5,7-Tetrahydroxy-5'-prenylflavonol
    • CS-0159467
    • F90322
    • 2-[3,4-Dihydroxy-5-(3-methyl-2-butenyl)phenyl]-3,5,7-trihydroxy-4H-1-benzopyran-4-one
    • 2-[3,4-Dihydroxy-5-(3-methyl-but-2-enyl)-phenyl]-3,5,7-trihydroxy-chromen-4-one
    • 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxy-5-(3-methyl-2-butenyl)phenyl)-3,5,7-trihydroxy-
    • 2-[3,4-Dihydroxy-5-(3-methylbut-2-en-1-yl)phenyl]-3,5,7-trihydroxy-4H-1-benzopyran-4-one
    • 139163-15-8

  • Applications

    Uralenol (CAS 139163-15-8) is used in a range of industrial applications, including as an odorant/fragrance ingredient in perfumery and cosmetics, and as an intermediate in organic synthesis; it can function as a solvent or processing aid in coatings and inks, as a processing additive in polymer formulations, and as a cleaning formulation component in industrial and household products.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 3.25
    methanol 3.2
    isopropanol 2.63
    water 0.0
    ethyl acetate 1.31
    n-propanol 6.06
    acetone 0.45
    n-butanol 3.98
    acetonitrile 0.29
    DMF 22.56
    toluene 0.08
    isobutanol 2.49
    1,4-dioxane 2.08
    methyl acetate 1.9
    THF 18.68
    2-butanone 4.3
    n-pentanol 1.93
    sec-butanol 5.76
    n-hexane 0.01
    ethylene glycol 2.59
    NMP 30.06
    cyclohexane 0.0
    DMSO 59.18
    n-butyl acetate 1.35
    n-octanol 1.04
    chloroform 0.04
    n-propyl acetate 1.11
    acetic acid 5.08
    dichloromethane 0.04
    cyclohexanone 3.87
    propylene glycol 7.93
    isopropyl acetate 0.94
    DMAc 43.09
    2-ethoxyethanol 14.14
    isopentanol 2.53
    n-heptane 0.01
    ethyl formate 0.95
    1,2-dichloroethane 0.11
    n-hexanol 1.27
    2-methoxyethanol 43.94
    isobutyl acetate 0.45
    tetrachloromethane 0.01
    n-pentyl acetate 1.5
    transcutol 21.66
    n-heptanol 1.37
    ethylbenzene 0.06
    MIBK 1.05
    2-propoxyethanol 16.36
    tert-butanol 2.69
    MTBE 0.92
    2-butoxyethanol 8.39
    propionic acid 4.48
    o-xylene 0.1
    formic acid 3.87
    diethyl ether 0.51
    m-xylene 0.07
    p-xylene 0.07
    chlorobenzene 0.05
    dimethyl carbonate 1.87
    n-octane 0.01
    formamide 6.06
    cyclopentanone 9.78
    2-pentanone 1.76
    anisole 0.55
    cyclopentyl methyl ether 1.82
    gamma-butyrolactone 12.42
    1-methoxy-2-propanol 35.27
    pyridine 2.27
    3-pentanone 1.12
    furfural 6.62
    n-dodecane 0.01
    diethylene glycol 13.77
    diisopropyl ether 0.1
    tert-amyl alcohol 4.7
    acetylacetone 2.18
    n-hexadecane 0.01
    acetophenone 1.15
    methyl propionate 3.38
    isopentyl acetate 1.49
    trichloroethylene 0.3
    n-nonanol 1.2
    cyclohexanol 1.68
    benzyl alcohol 1.32
    2-ethylhexanol 0.67
    isooctanol 1.09
    dipropyl ether 0.63
    1,2-dichlorobenzene 0.06
    ethyl lactate 3.07
    propylene carbonate 2.59
    n-methylformamide 7.7
    2-pentanol 2.07
    n-pentane 0.01
    1-propoxy-2-propanol 10.53
    1-methoxy-2-propyl acetate 5.6
    2-(2-methoxypropoxy) propanol 8.34
    mesitylene 0.04
    ε-caprolactone 5.95
    p-cymene 0.12
    epichlorohydrin 8.96
    1,1,1-trichloroethane 0.05
    2-aminoethanol 7.83
    morpholine-4-carbaldehyde 21.19
    sulfolane 37.22
    2,2,4-trimethylpentane 0.01
    2-methyltetrahydrofuran 4.78
    n-hexyl acetate 1.99
    isooctane 0.01
    2-(2-butoxyethoxy)ethanol 10.52
    sec-butyl acetate 0.76
    tert-butyl acetate 1.51
    decalin 0.01
    glycerin 21.25
    diglyme 16.11
    acrylic acid 4.38
    isopropyl myristate 0.63
    n-butyric acid 4.82
    acetyl acetate 0.45
    di(2-ethylhexyl) phthalate 1.2
    ethyl propionate 1.22
    nitromethane 7.31
    1,2-diethoxyethane 2.27
    benzonitrile 0.4
    trioctyl phosphate 0.99
    1-bromopropane 0.08
    gamma-valerolactone 24.17
    n-decanol 0.76
    triethyl phosphate 1.04
    4-methyl-2-pentanol 0.82
    propionitrile 0.8
    vinylene carbonate 1.65
    1,1,2-trichlorotrifluoroethane 16.1
    DMS 2.12
    cumene 0.05
    2-octanol 0.86
    2-hexanone 1.41
    octyl acetate 1.11
    limonene 0.18
    1,2-dimethoxyethane 11.82
    ethyl orthosilicate 0.93
    tributyl phosphate 0.96
    diacetone alcohol 9.65
    N,N-dimethylaniline 0.54
    acrylonitrile 1.45
    aniline 0.79
    1,3-propanediol 12.7
    bromobenzene 0.02
    dibromomethane 0.02
    1,1,2,2-tetrachloroethane 0.4
    2-methyl-cyclohexyl acetate 1.13
    tetrabutyl urea 1.76
    diisobutyl methanol 0.44
    2-phenylethanol 1.46
    styrene 0.05
    dioctyl adipate 1.42
    dimethyl sulfate 6.42
    ethyl butyrate 1.11
    methyl lactate 9.46
    butyl lactate 3.84
    diethyl carbonate 0.68
    propanediol butyl ether 8.8
    triethyl orthoformate 1.45
    p-tert-butyltoluene 0.13
    methyl 4-tert-butylbenzoate 3.29
    morpholine 10.68
    tert-butylamine 0.51
    n-dodecanol 0.45
    dimethoxymethane 10.18
    ethylene carbonate 1.17
    cyrene 8.68
    2-ethoxyethyl acetate 3.47
    2-ethylhexyl acetate 0.94
    1,2,4-trichlorobenzene 0.18
    4-methylpyridine 1.17
    dibutyl ether 0.54
    2,6-dimethyl-4-heptanol 0.44
    DEF 5.65
    dimethyl isosorbide 10.24
    tetrachloroethylene 0.21
    eugenol 4.21
    triacetin 3.22
    span 80 5.96
    1,4-butanediol 2.24
    1,1-dichloroethane 0.04
    2-methyl-1-pentanol 1.64
    methyl formate 2.87
    2-methyl-1-butanol 3.44
    n-decane 0.02
    butyronitrile 0.59
    3,7-dimethyl-1-octanol 0.9
    1-chlorooctane 0.13
    1-chlorotetradecane 0.05
    n-nonane 0.01
    undecane 0.01
    tert-butylcyclohexane 0.01
    cyclooctane 0.0
    cyclopentanol 3.52
    tetrahydropyran 1.39
    tert-amyl methyl ether 1.44
    2,5,8-trioxanonane 10.52
    1-hexene 0.04
    2-isopropoxyethanol 6.5
    2,2,2-trifluoroethanol 1.31
    methyl butyrate 2.05

    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